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1.
BMC Pregnancy Childbirth ; 24(1): 395, 2024 May 30.
Article in English | MEDLINE | ID: mdl-38816708

ABSTRACT

BACKGROUND: Australian Aboriginal and Torres Strait Islander women with diabetes in pregnancy (DIP) are more likely to have glycaemic levels above the target range, and their babies are thus at higher risk of excessive fetal growth. Shoulder dystocia, defined by failure of spontaneous birth of fetal shoulder after birth of the head requiring obstetric maneuvers, is an obstetric emergency that is strongly associated with DIP and fetal size. The aim of this study was to investigate the epidemiology of shoulder dystocia in Aboriginal babies born to mothers with DIP. METHODS: Stratifying by Aboriginal status, characteristics of births complicated by shoulder dystocia in women with and without DIP were compared and incidence and time-trends of shoulder dystocia were described. Compliance with guidelines aiming at preventing shoulder dystocia in women with DIP were compared. Post-logistic regression estimation was used to calculate the population attributable fractions (PAFs) for shoulder dystocia associated with DIP and to estimate probabilities of shoulder dystocia in babies born to mothers with DIP at birthweights > 3 kg. RESULTS: Rates of shoulder dystocia from vaginal births in Aboriginal babies born to mothers with DIP were double that of their non-Aboriginal counterparts (6.3% vs 3.2%, p < 0.001), with no improvement over time. Aboriginal mothers with diabetes whose pregnancies were complicated by shoulder dystocia were more likely to have a history of shoulder dystocia (13.1% vs 6.3%, p = 0.032). Rates of guideline-recommended elective caesarean section in pregnancies with diabetes and birthweight > 4.5 kg were lower in the Aboriginal women (28.6% vs 43.1%, p = 0.004). PAFs indicated that 13.4% (95% CI: 9.7%-16.9%) of shoulder dystocia cases in Aboriginal (2.7% (95% CI: 2.1%-3.4%) in non-Aboriginal) women were attributable to DIP. Probability of shoulder dystocia among babies born to Aboriginal mothers with DIP was higher at birthweights > 3 kg. CONCLUSIONS: Aboriginal mothers with DIP had a higher risk of shoulder dystocia and a stronger association between birthweight and shoulder dystocia. Many cases were recurrent. These factors should be considered in clinical practice and when counselling women.


Subject(s)
Pregnancy in Diabetics , Shoulder Dystocia , Adult , Female , Humans , Infant, Newborn , Pregnancy , Young Adult , Australia/epidemiology , Birth Weight , Cohort Studies , Diabetes, Gestational/ethnology , Diabetes, Gestational/epidemiology , Incidence , Pregnancy in Diabetics/epidemiology , Pregnancy in Diabetics/ethnology , Risk Factors , Shoulder Dystocia/epidemiology , Australian Aboriginal and Torres Strait Islander Peoples
2.
BJOG ; 128(8): 1304-1312, 2021 07.
Article in English | MEDLINE | ID: mdl-33539656

ABSTRACT

OBJECTIVE: To quantify how the changing stillbirth risk profile of women is affecting the interpretation of the stillbirth rate. DESIGN: A retrospective, population-based cohort study from 1983 to 2018. SETTING: Victoria, Australia. POPULATION: A total of 2 419 923 births at ≥28 weeks of gestation. METHODS: Changes in maternal characteristics over time were assessed. A multivariable logistic regression model was developed for stillbirth, based on maternal characteristics in 1983-1987, and used to calculate individual predictive probabilities of stillbirth from the regression equation. The number of expected stillbirths per year as a result of the change in maternal demographics was then calculated, assuming no changes in care and in the associations between maternal characteristics and stillbirth over time. MAIN OUTCOME MEASURE: Stillbirth. RESULTS: Compared with 1983-1987, there were more women in older age groups giving birth, more nulliparous women, more indigenous women and women born in Oceania, Asia and Africa, more multiple pregnancies and more women with pre-existing diabetes in 2014-2018. Despite this, the rate of stillbirth fell from 5.42 per 1000 births in 1983 to 1.72 per 1000 births in 2018 (P < 0.001). Applying the multivariable logistic regression equation, derived from the 1983-87 data, to each year, had there been no changes in care or in the associations between maternal characteristics and stillbirth, the rate of stillbirth would have increased by 12%, from 4.94 per 1000 in 1983 to 5.54 per 1000 in 2018, as a result of the change in maternal characteristics. CONCLUSIONS: Population rates of stillbirth are falling faster than is generally appreciated. TWEETABLE ABSTRACT: Population reductions in stillbirth have been underestimated as a result of changing maternal characteristics.


Subject(s)
Stillbirth/epidemiology , Adult , Female , Gestational Age , Humans , Logistic Models , Maternal Age , Parity , Population Surveillance , Pregnancy , Pregnancy in Diabetics/epidemiology , Pregnancy in Diabetics/ethnology , Pregnancy, Multiple/ethnology , Retrospective Studies , Risk Factors , Stillbirth/ethnology , Victoria/epidemiology , Young Adult
3.
Obstet Gynecol ; 136(6): 1095-1102, 2020 12.
Article in English | MEDLINE | ID: mdl-33156199

ABSTRACT

OBJECTIVE: To characterize stillbirths associated with pregestational diabetes and gestational diabetes mellitus (GDM) in a large, prospective, U.S. case-control study. METHODS: A secondary analysis of stillbirths among patients enrolled in a prospective; multisite; geographically, racially, and ethnically diverse case-control study in the United States was performed. Singleton gestations with complete information regarding diabetes status and with a complete postmortem evaluation were included. A standard evaluation protocol for stillbirth cases included postmortem evaluation, placental pathology, clinical testing as performed at the discretion of the health care professional, and a recommended panel of tests. A potential cause of death was assigned to stillbirth cases using a standardized classification tool. Demographic and delivery characteristics among women with pregestational diabetes and GDM were compared with characteristics of women with no diabetes in pairwise comparisons using χ or two-sample t tests as appropriate. Sensitivity analysis was performed excluding pregnancies with genetic conditions or major fetal malformations. RESULTS: Of 455 stillbirth cases included in the primary analysis, women with stillbirth and diabetes were more likely to be older than 35 years and have a higher body mass index. They were also more likely to have a gestational hypertensive disorder than women without diabetes (28% vs 9.1%; P<.001). Women with pregestational diabetes had more large-for-gestational-age (LGA) neonates (26% vs 3.4%; P<.001). Stillbirths occurred more often at term in women with pregestational diabetes (36%) and those with GDM (52%). Maternal medical complications, including pregestational diabetes and others, were more often identified as a probable or possible cause of death among stillbirths with maternal diabetes (43% vs 4%, P<.001) as compared with stillbirths without diabetes. CONCLUSION: Compared with stillbirths in women with no diabetes, stillbirths among women with pregestational diabetes and GDM occur later in pregnancy and are associated with hypertensive disorders of pregnancy, maternal medical complications, and LGA.


Subject(s)
Diabetes, Gestational/epidemiology , Hypertension, Pregnancy-Induced/epidemiology , Pregnancy Complications/epidemiology , Pregnancy in Diabetics/epidemiology , Stillbirth/epidemiology , Adolescent , Adult , Case-Control Studies , Diabetes, Gestational/ethnology , Female , Humans , Hypertension, Pregnancy-Induced/ethnology , Infant, Newborn , Middle Aged , Pregnancy , Pregnancy Complications/ethnology , Pregnancy in Diabetics/ethnology , Prenatal Care , Prospective Studies , Stillbirth/ethnology , United States/epidemiology , Young Adult
5.
BMJ Open ; 9(4): e025084, 2019 04 15.
Article in English | MEDLINE | ID: mdl-30992290

ABSTRACT

OBJECTIVE: Both pregestational and gestational diabetes mellitus (PGDM, GDM) occur more frequently in First Nations (North American Indians) pregnant women than their non-Indigenous counterparts in Canada. We assessed whether the impacts of PGDM and GDM on perinatal and postneonatal mortality may differ in First Nations versus non-Indigenous populations. DESIGN: A population-based linked birth cohort study. SETTING AND PARTICIPANTS: 17 090 First Nations and 217 760 non-Indigenous singleton births in 1996-2010, Quebec, Canada. MAIN OUTCOME MEASURES: Relative risks (RR) of perinatal and postneonatal death. Perinatal deaths included stillbirths and neonatal (0-27 days of postnatal life) deaths; postneonatal deaths included infant deaths during 28-364 days of life. RESULTS: PGDM and GDM occurred much more frequently in First Nations (3.9% and 10.7%, respectively) versus non-Indigenous (1.1% and 4.8%, respectively) pregnant women. PGDM was associated with an increased risk of perinatal death to a much greater extent in First Nations (RR=5.08[95% CI 2.99 to 8.62], p<0.001; absolute risk (AR)=21.6 [8.6-34.6] per 1000) than in non-Indigenous populations (RR=1.76[1.17, 2.66], p=0.003; AR=4.2[0.2, 8.1] per 1000). PGDM was associated with an increased risk of postneonatal death in non-Indigenous (RR=3.46[1.71, 6.99], p<0.001; AR=2.4[0.1, 4.8] per 1000) but not First Nations (RR=1.16[0.28, 4.77], p=0.35) infants. Adjusting for maternal and pregnancy characteristics, the associations were similar. GDM was not associated with perinatal or postneonatal death in both groups. CONCLUSIONS: The study is the first to reveal that PGDM may increase the risk of perinatal death to a much greater extent in First Nations versus non-Indigenous populations, but may substantially increase the risk of postneonatal death in non-Indigenous infants only. The underlying causes are unclear and deserve further studies. We speculate that population differences in the quality of glycaemic control in diabetic pregnancies and/or genetic vulnerability to hyperglycaemia's fetal toxicity may be contributing factors.


Subject(s)
Diabetes, Gestational/epidemiology , Indians, North American , Infant Mortality/ethnology , Perinatal Mortality/ethnology , Pregnancy in Diabetics/epidemiology , Stillbirth/ethnology , White People , Adult , Cross-Cultural Comparison , Diabetes, Gestational/ethnology , Female , Health Surveys , Humans , Infant , Infant, Newborn , Pregnancy , Pregnancy Outcome/ethnology , Pregnancy in Diabetics/ethnology , Quebec , Risk
6.
Breastfeed Med ; 14(4): 249-255, 2019 05.
Article in English | MEDLINE | ID: mdl-30839228

ABSTRACT

Background: The incidence of diabetes is rising, and with it, the number of pregnancies affected by diabetes. U.S. black women have a disproportionately high prevalence of diabetes and lower rates of breastfeeding. Objective: The objective of this study was to quantify the relationship between diabetes before pregnancy and breastfeeding duration among black women in the United States. Materials and Methods: We analyzed women from the Black Women's Health Study (N = 59,000) to assess the relationship between prepregnancy diabetes and time to breastfeeding cessation occurring up to 24 months postdelivery using Kaplan-Meier survival curves, log rank tests, and Cox proportional hazards models. The study population included primiparous women with births between 1995 and 2009 (N = 3,404). Obesity, hypertension before pregnancy, and family history of diabetes were examined for effect modification. Results: Survival curves demonstrated a markedly reduced duration of breastfeeding in women who had been diagnosed with prepregnancy diabetes (p < 0.01). The hazard ratio for breastfeeding cessation for women with prepregnancy diabetes was 1.5 (95% confidence interval 1.1-2.0) compared with women without prepregnancy diabetes after control for age, body mass index (BMI) at age 18, prepregnancy BMI, other metabolic factors, demographics, and health behaviors. Conclusions: Our results suggest that prepregnancy diabetes is a strong predictor of curtailed breastfeeding duration, even after control for BMI. This underscores the need for targeted lactation support for diabetic women.


Subject(s)
Black or African American , Breast Feeding/ethnology , Obesity/ethnology , Pregnancy in Diabetics/ethnology , Adult , Body Mass Index , Female , Humans , Kaplan-Meier Estimate , Pregnancy , Proportional Hazards Models , Time Factors , United States/epidemiology
7.
BMC Pregnancy Childbirth ; 18(1): 402, 2018 Oct 15.
Article in English | MEDLINE | ID: mdl-30322376

ABSTRACT

BACKGROUND: Poor diabetes management prior to conception, results in increased rates of fetal malformations and other adverse pregnancy outcomes. We describe the development of an integrated, pre-pregnancy management strategy to improve pregnancy outcomes among women of reproductive age with diabetes in a multi-ethnic district. METHODS: The strategy included (i) a narrative literature review of contraception and pre-pregnancy interventions for women with diabetes and development of a draft plan; (ii) a chart review of pregnancy outcomes (e.g. congenital malformations, neonatal hypoglycaemia and caesarean sections) among women with type 1 diabetes (T1D) (n = 53) and type 2 diabetes (T2D) (n = 46) between 2010 and 2015 (iii) interview surveys of women with T1D and T2D (n = 15), and local health care professionals (n = 13); (iv) two focus groups (n = 4) and one-to-one interviews with women with T1D and T2D from an Australian background (n = 5), women with T2D from cultural and linguistically diverse (CALD) (n = 7) and indigenous backgrounds (n = 1) and partners of CALD women (n = 3); and (v) two group meetings, one comprising predominantly primary care, and another comprising district-wide multidisciplinary inter-sectoral professionals, where components of the intervention strategy were finalised using a Delphi approach for development of the final plan. RESULTS: Our literature review showed that a range of interventions, particularly multifaceted educational programs for women and healthcare professionals, significantly increased contraception uptake, and reduced adverse outcomes of pregnancy (e.g. malformations and stillbirth). Our chart-review showed that local rates of adverse pregnancy outcomes were similarly poor among women with both T1D and T2D (e.g. major congenital malformations [9.1% vs 8.9%] and macrosomia [34.7% vs 24.4%]). Challenges included lack of knowledge among women and healthcare professionals relating to diabetes management and limited access to specialist pre-pregnancy care. Group meetings led to a consensus to develop a district-wide approach including healthcare professional and patient education and a structured approach to identification and optimisation of self-management, including contraception, in women of reproductive age with diabetes. CONCLUSIONS: Sufficient evidence exists for consensus on a district-wide strategy to improve pre-pregnancy management among women with pre-existing diabetes.


Subject(s)
Diabetes Mellitus, Type 1/therapy , Diabetes Mellitus, Type 2/therapy , Preconception Care/methods , Pregnancy Complications/prevention & control , Pregnancy in Diabetics/therapy , Adult , Congenital Abnormalities/prevention & control , Consensus Development Conferences as Topic , Delphi Technique , Diabetes Mellitus, Type 1/complications , Diabetes Mellitus, Type 2/complications , Female , Fetal Macrosomia/etiology , Fetal Macrosomia/prevention & control , Focus Groups , Health Knowledge, Attitudes, Practice , Health Personnel/education , Humans , Interviews as Topic , Patient Education as Topic , Pregnancy , Pregnancy Complications/etiology , Pregnancy in Diabetics/ethnology , Review Literature as Topic , Young Adult
8.
BMC Health Serv Res ; 18(1): 629, 2018 08 10.
Article in English | MEDLINE | ID: mdl-30097012

ABSTRACT

BACKGROUND: Native American communities experience greater burden of diabetes than the general population, including high rates of Type 2 diabetes among women of childbearing age. Diabetes in pregnancy is associated with risks to both the mother and offspring, and glycemic control surrounding the pregnancy period is of vital importance. METHODS: A retrospective chart review was conducted at a major Navajo Area Indian Health Service (IHS) hospital, tracking women with pre-existing diabetes who became pregnant between 2010 and 2012. Logistic regression was performed to find patient-level predictors of our desired primary outcome-having hemoglobin A1c (HbA1c) consistently < 8% within 2 years after pregnancy. Descriptive statistics were generated for other outcomes, including glycemic control and seeking timely IHS care. RESULTS: One hundred twenty-two pregnancies and 114 individuals were identified in the dataset. Baseline HbA1c was the only covariate which predicted our primary outcome (OR = 1.821, 95% CI = 1.184-2.801). Examining glycemic control among pregnancies with complete HbA1c data (n = 59), 59% were controlled before, 85% during, and 34% after pregnancy. While nearly all women received care in the immediate postpartum period, only 49% of women visited a primary care provider and 71% had HbA1c testing in the 2 years after pregnancy. CONCLUSIONS: This is the first analysis of outcomes among women with diabetes in pregnancy in Navajo Nation, the largest reservation and tribal health system in the United States. Our findings demonstrate the positive impact of specialized prenatal care in achieving glycemic control during pregnancy, while highlighting the challenges in maintaining glycemic control and continuity of healthcare after pregnancy.


Subject(s)
Diabetes Mellitus, Type 2/prevention & control , Indians, North American/ethnology , Patient Acceptance of Health Care/statistics & numerical data , Pregnancy in Diabetics/prevention & control , Adolescent , Adult , Arizona/ethnology , Blood Glucose/metabolism , Diabetes Mellitus, Type 2/blood , Diabetes Mellitus, Type 2/ethnology , Facilities and Services Utilization , Female , Glycated Hemoglobin/metabolism , Health Services, Indigenous/statistics & numerical data , Humans , Indians, North American/statistics & numerical data , Logistic Models , Middle Aged , New Mexico/ethnology , Postnatal Care/statistics & numerical data , Pregnancy , Pregnancy in Diabetics/blood , Pregnancy in Diabetics/ethnology , Prenatal Care/statistics & numerical data , Retrospective Studies , United States , Utah/ethnology , Young Adult
10.
BMC Health Serv Res ; 17(1): 524, 2017 Aug 03.
Article in English | MEDLINE | ID: mdl-28774291

ABSTRACT

BACKGROUND: Australian Aboriginal and Torres Strait Islander women have high rates of gestational and pre-existing type 2 diabetes in pregnancy. The Northern Territory (NT) Diabetes in Pregnancy Partnership was established to enhance systems and services to improve health outcomes. It has three arms: a clinical register, developing models of care and a longitudinal birth cohort. This study used a process evaluation to report on health professional's perceptions of models of care and related quality improvement activities since the implementation of the Partnership. METHODS: Changes to models of care were documented according to goals and aims of the Partnership and reviewed annually by the Partnership Steering group. A 'systems assessment tool' was used to guide six focus groups (49 healthcare professionals). Transcripts were coded and analysed according to pre-identified themes of orientation and guidelines, education, communication, logistics and access, and information technology. RESULTS: Key improvements since implementation of the Partnership include: health professional relationships, communication and education; and integration of quality improvement activities. Focus groups with 49 health professionals provided in depth information about how these activities have impacted their practice and models of care for diabetes in pregnancy. Co-ordination of care was reported to have improved, however it was also identified as an opportunity for further development. Recommendations included a central care coordinator, better integration of information technology systems and ongoing comprehensive quality improvement processes. CONCLUSIONS: The Partnership has facilitated quality improvement through supporting the development of improved systems that enhance models of care. Persisting challenges exist for delivering care to a high risk population however improvements in formal processes and structures, as demonstrated in this work thus far, play an important role in work towards improving health outcomes.


Subject(s)
Delivery of Health Care/methods , Diabetes Mellitus, Type 2/ethnology , Health Services, Indigenous , Native Hawaiian or Other Pacific Islander , Pregnancy in Diabetics/ethnology , Quality Improvement , Australia/epidemiology , Delivery of Health Care/organization & administration , Diabetes Mellitus, Type 2/therapy , Female , Focus Groups , Health Personnel , Humans , Pregnancy , Pregnancy in Diabetics/therapy
11.
N Z Med J ; 130(1450): 25-31, 2017 Feb 17.
Article in English | MEDLINE | ID: mdl-28207722

ABSTRACT

AIMS: To identify and document factors associated with screening for diabetes in pregnancy in a regional area with a high Maori population in New Zealand. METHODS: An audit was undertaken of routine hospital data collected from all 656 women who gave birth, between June and December in 2013 and 2014, in two Mid-North Island hospitals in the Bay of Plenty region. RESULTS: Of the 656 woman who gave birth during these periods, only 416 (63%) were screened for diabetes in pregnancy, including 390 (60%) for gestational diabetes mellitus later in pregnancy. After controlling for age, screening was less common in Maori (56%) compared with European women (76%). After adjusting for ethnicity, women aged 35-40 years were more likely to be screened compared with women aged 25-29 years (77% versus 61%; p=0.02). Screening was associated with longer hospital stays following birth, with screened women more likely to stay >5 days than <1 day, compared with unscreened women (84% versus 56%; p<0.0001). Screening was significantly higher in 2014 than 2013 (68% versus 58%; p=0.008). CONCLUSIONS: Greater effort is required to increase screening, especially for Maori women who have increased risk of type 2 diabetes and gestational diabetes mellitus and of poorer outcomes.


Subject(s)
Diabetes Mellitus, Type 1/diagnosis , Diabetes Mellitus, Type 2/diagnosis , Diabetes, Gestational/diagnosis , Pregnancy in Diabetics/diagnosis , Adult , Diabetes Mellitus, Type 1/ethnology , Diabetes Mellitus, Type 2/ethnology , Diabetes, Gestational/ethnology , Early Diagnosis , Female , Humans , Length of Stay , Native Hawaiian or Other Pacific Islander/ethnology , New Zealand/epidemiology , New Zealand/ethnology , Pregnancy , Pregnancy in Diabetics/ethnology , Prenatal Diagnosis , Prevalence , Risk Factors , Young Adult
12.
Am J Obstet Gynecol ; 216(2): 177.e1-177.e8, 2017 Feb.
Article in English | MEDLINE | ID: mdl-27751798

ABSTRACT

BACKGROUND: Despite concern for adverse perinatal outcomes in women with diabetes mellitus before pregnancy, recent data on the prevalence of pregestational type 1 and type 2 diabetes mellitus in the United States are lacking. OBJECTIVE: The purpose of this study was to estimate changes in the prevalence of overall pregestational diabetes mellitus (all types) and pregestational type 1 and type 2 diabetes mellitus and to estimate whether changes varied by race-ethnicity from 1996-2014. STUDY DESIGN: We conducted a cohort study among 655,428 pregnancies at a Northern California integrated health delivery system from 1996-2014. Logistic regression analyses provided estimates of prevalence and trends. RESULTS: The age-adjusted prevalence (per 100 deliveries) of overall pregestational diabetes mellitus increased from 1996-1999 to 2012-2014 (from 0.58 [95% confidence interval, 0.54-0.63] to 1.06 [95% confidence interval, 1.00-1.12]; Ptrend <.0001). Significant increases occurred in all racial-ethnic groups; the largest relative increase was among Hispanic women (121.8% [95% confidence interval, 84.4-166.7]); the smallest relative increase was among non-Hispanic white women (49.6% [95% confidence interval, 27.5-75.4]). The age-adjusted prevalence of pregestational type 1 and type 2 diabetes mellitus increased from 0.14 (95% confidence interval, 0.12-0.16) to 0.23 (95% confidence interval, 0.21-0.27; Ptrend <.0001) and from 0.42 (95% confidence interval, 0.38-0.46) to 0.78 (95% confidence interval, 0.73-0.83; Ptrend <.0001), respectively. The greatest relative increase in the prevalence of type 1 diabetes mellitus was in non-Hispanic white women (118.4% [95% confidence interval, 70.0-180.5]), who had the lowest increases in the prevalence of type 2 diabetes mellitus (13.6% [95% confidence interval, -8.0 to 40.1]). The greatest relative increase in the prevalence of type 2 diabetes mellitus was in Hispanic women (125.2% [95% confidence interval, 84.8-174.4]), followed by African American women (102.0% [95% confidence interval, 38.3-194.3]) and Asian women (93.3% [95% confidence interval, 48.9-150.9]). CONCLUSIONS: The prevalence of overall pregestational diabetes mellitus and pregestational type 1 and type 2 diabetes mellitus increased from 1996-1999 to 2012-2014 and racial-ethnic disparities were observed, possibly because of differing prevalence of maternal obesity. Targeted prevention efforts, preconception care, and disease management strategies are needed to reduce the burden of diabetes mellitus and its sequelae.


Subject(s)
Diabetes Mellitus, Type 1/ethnology , Diabetes Mellitus, Type 2/ethnology , Ethnicity/statistics & numerical data , Health Status Disparities , Pregnancy in Diabetics/ethnology , Adult , Black or African American/statistics & numerical data , Asian/statistics & numerical data , California/epidemiology , Cohort Studies , Diabetes Mellitus, Type 1/epidemiology , Diabetes Mellitus, Type 2/epidemiology , Female , Hispanic or Latino/statistics & numerical data , Humans , Logistic Models , Obesity/epidemiology , Pregnancy , Pregnancy Complications/epidemiology , Pregnancy in Diabetics/epidemiology , Prevalence , White People/statistics & numerical data , Young Adult
13.
J Immigr Minor Health ; 19(6): 1263-1270, 2017 12.
Article in English | MEDLINE | ID: mdl-27221086

ABSTRACT

We examined disparities in prenatal care utilization (PNCU) among U.S. and foreign-born women with chronic conditions. We performed a cross-sectional analyses using data from 2011 to 2012 National Center for Health Statistics Natality Files (n = 6,644,577) to examine the association between maternal nativity (U.S. vs. foreign-born), presence of a chronic condition (diabetes or hypertensive disorder) and PNCU. After adjustment for selected maternal characteristics, overall and among those with chronic conditions, foreign-born women reported significantly lower odds of intensive and adequate PNCU and higher odds of intermediate and inadequate PNCU than U.S.-born women. Few differences in report of no care were found by maternal nativity. These findings suggest that foreign-born women may be receiving some form of prenatal care, but adequacy of care is likely to be lower compared to U.S.-born counterparts, even among those with chronic conditions.


Subject(s)
Emigrants and Immigrants/statistics & numerical data , Hypertension/ethnology , Pregnancy Complications, Cardiovascular/ethnology , Pregnancy in Diabetics/ethnology , Prenatal Care/statistics & numerical data , Adolescent , Adult , Chronic Disease , Cross-Sectional Studies , Female , Healthcare Disparities , Humans , Parity , Pregnancy , Risk Factors , Socioeconomic Factors , United States , Young Adult
14.
J Womens Health (Larchmt) ; 25(6): 579-85, 2016 Jun.
Article in English | MEDLINE | ID: mdl-26918922

ABSTRACT

BACKGROUND: Maternal glucose and weight gain are related to neonatal outcome in women with gestational diabetes mellitus (GDM). The aim of this study was to explore the influence of average third-trimester HbA1c and excess gestational weight gain on GDM neonatal complications. MATERIALS AND METHODS: This observational study included 2037 Spanish singleton pregnant women with GDM followed in our Diabetes and Pregnancy Unit. The maternal HbA1c level was measured monthly from GDM diagnosis to delivery. Women were compared by average HbA1c level and weight gain categorized into ≤ or > the current Institute of Medicine (IOM) recommendations for body mass index. The differential effects of these factors on large-for-gestational-age birth weight and a composite of neonatal complications were assessed. RESULTS: Women with an average third-trimester HbA1c ≥5.0% (n = 1319) gave birth to 7.3% versus 3.8% (p = 0.005) of large-for-gestational-age neonates and 22.0% versus 16.0% (p = 0.006) of neonates with complications. Women with excess gestational weight gain (n = 299) delivered 12.5% versus 5.2% (p < 0.001) of large-for-gestational-age neonates and 24.7% versus 19.0% (p = 0.022) of neonates with complications. In an adjusted multiple logistic regression analysis among mothers exposed to the respective risk factors, ∼47% and 52% of large-for-gestational-age neonates and 32% and 37% of neonatal complications were potentially preventable by attaining an average third-trimester HbA1c level <5.0% and optimizing gestational weight gain. CONCLUSIONS: Average third-trimester HbA1c level ≥5% and gestational weight gain above the IOM recommendation are relevant risk factors for neonatal complications in mothers with gestational diabetes.


Subject(s)
Diabetes, Gestational/blood , Fetal Macrosomia/etiology , Glycated Hemoglobin/metabolism , Mothers , Obesity/epidemiology , Weight Gain , Adult , Birth Weight , Blood Glucose/metabolism , Body Mass Index , Diabetes Mellitus, Type 2/epidemiology , Diabetes, Gestational/ethnology , Female , Fetal Macrosomia/ethnology , Gestational Age , Hispanic or Latino/statistics & numerical data , Humans , Infant, Newborn , Obesity/complications , Postprandial Period , Pregnancy , Pregnancy Complications/epidemiology , Pregnancy Trimester, Third , Pregnancy in Diabetics/blood , Pregnancy in Diabetics/ethnology , Retrospective Studies , Risk Factors , Socioeconomic Factors , United States
15.
Aust N Z J Obstet Gynaecol ; 56(3): 238-44, 2016 Jun.
Article in English | MEDLINE | ID: mdl-26849475

ABSTRACT

BACKGROUND: Indigenous people in Australia experience higher rates of preterm birth and low birthweight than their nonindigenous counterparts. There is currently no data on these rates from Victoria, with the data coming from states with higher indigenous proportions. MATERIALS AND METHODS: Five years (1st January 2010-31st December 2014) of retrospective data from The Northern Hospital's (Melbourne, Victoria) database were analysed. Mothers and babies were split according to self-reported indigenous status: 13800 nonindigenous mothers, 185 indigenous mothers, 301 indigenous babies and 13843 nonindigenous babies. Primary outcomes measured were low birthweight (LBW) and preterm birth. RESULTS: There was a higher incidence of indigenous babies born preterm (8.8% vs 5.9%, P = 0.034), but the adjusted odds ratios for preterm birth were not significant (indigenous babies OR 1.19, 95% CI: 0.77-1.87, indigenous mothers OR 0.97, CI: 0.52-1.80). There was a similar incidence of LBW among indigenous and nonindigenous babies (6.5% vs 5.4%, P = 0.416). The rate of indigenous women smoking was 29.3% compared to 12.3% of nonindigenous women (P < 0.001), and 40.3% were obese compared to 28.7% (P = 0.001). Indigenous women had lower rates of diabetes (pre-existing or gestational diabetes, 6.1% vs 13.5% P = 0.003). CONCLUSION: Heterogeneity of indigenous people and geography means that inferences about indigenous health are difficult to make. It appears that Victorian urban indigenous women have similar rates of preterm birth and LBW to nonindigenous women. While there were pleasing results concerning LBW, antenatal care, diabetes and preterm birth, the rates of smoking and obesity remain a challenge in the indigenous population.


Subject(s)
Hospitals, Urban , Infant, Low Birth Weight , Native Hawaiian or Other Pacific Islander , Premature Birth/ethnology , Adult , Diabetes, Gestational/ethnology , Female , Humans , Incidence , Infant, Newborn , Obesity/ethnology , Pregnancy , Pregnancy in Diabetics/ethnology , Retrospective Studies , Smoking/ethnology , Victoria/epidemiology , Young Adult
16.
J Womens Health (Larchmt) ; 24(4): 316-23, 2015 Apr.
Article in English | MEDLINE | ID: mdl-25786128

ABSTRACT

BACKGROUND: The objective of our study was to examine the prevalence of diabetes during pregnancy at the population level in SC from January 1996 through December 2008. METHODS: The study included 387,720 non-Hispanic white (NHW), 232,278 non-Hispanic black (NHB), and 43,454 Hispanic live singleton births. Maternal inpatient hospital discharge codes from delivery (91.59%) and prenatal information (i.e., Medicaid [42.91%] and SC State Health Plan [SHP] [5.98%]) were linked to birth certificate data. Diabetes during pregnancy included gestational and preexisting, defined by prenatal and maternal inpatient International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) diagnostic codes (i.e., 64801-64802, 64881-64882, or 25000-25092) or report on the birth certificate. RESULTS: Diabetes prevalence from any source increased from 5.02% (95% confidence interval [CI]: 4.82-5.22) in 1996 to 8.37% (95% CI: 8.15-8.60) in 2008. Diabetes prevalence, standardized for maternal age and race/ethnicity from 1996 through 2008, increased from 3.38% (95% CI: 3.29-3.47) to 5.81% (95% CI: 5.71-5.91) using birth certificate data, from 3.99% (95% CI: 3.89-4.10) to 6.69% (95% CI: 6.58-6.80) using hospital discharge data, and from 4.74% (95% CI: 4.52-4.96) to 8.82% (95% CI: 8.61-9.03) using Medicaid data. Comparing birth certificate to hospital discharge, Medicaid, and SHP data, Cohen's kappa in 2008 was 0.73 (95% CI: 0.72-0.75), 0.64 (95% CI: 0.62-0.66), and 0.59 (95% CI: 0.54-0.65), respectively. CONCLUSIONS: An increasing prevalence of diabetes during pregnancy is reported, as well as substantial lack of agreement in reporting of diabetes prevalence across administrative databases. Prevalence of reported diabetes during pregnancy is impacted by screening, diagnostic, and reporting practices across different data sources, as well as by actual changes in prevalence over time.


Subject(s)
Black People/statistics & numerical data , Diabetes Mellitus, Type 2/ethnology , Diabetes, Gestational/ethnology , Hispanic or Latino/statistics & numerical data , Pregnancy in Diabetics/ethnology , White People/statistics & numerical data , Adult , Black or African American/statistics & numerical data , Birth Certificates , Female , Health Surveys , Humans , Maternal Age , Pregnancy , Prevalence , Socioeconomic Factors , South Carolina/epidemiology , Young Adult
17.
Qual Health Res ; 24(11): 1469-80, 2014 Nov.
Article in English | MEDLINE | ID: mdl-25082157

ABSTRACT

We conducted a focused ethnography with 12 First Nations women who had had diabetes in pregnancy to understand their real-life experiences and find ways to improve care for those with diabetes in pregnancy. We carried out unstructured interviews that were recorded, transcribed, and subject to qualitative content analysis. The experience of diabetes in pregnancy is one wrought with difficulties but balanced to some degree by positive lifestyle changes. Having a strong support system (family, health care, cultural/community, and internal support) and the necessary resources (primarily awareness/education) allows women to take some control of their health. Efforts to improve pregnancy care for First Nations women should take a more patient-centered care approach and strive to enhance the support systems of these women, increase their sense of autonomy, and raise awareness of diabetes in pregnancy and its accompanying challenges.


Subject(s)
Indians, North American , Pregnancy in Diabetics/ethnology , Adult , Canada , Female , Humans , Interviews as Topic , Life Style/ethnology , Pregnancy , Qualitative Research
18.
Paediatr Perinat Epidemiol ; 28(2): 157-65, 2014 Mar.
Article in English | MEDLINE | ID: mdl-24354778

ABSTRACT

BACKGROUND: More women are entering pregnancy with pre-existing diabetes. Disease severity, glycaemic control, and predictors of pregnancy complications may differ by race/ethnicity or educational attainment, leading to differences in adverse pregnancy outcomes. METHODS: We used linked New York City hospital record and birth certificate data for 6291 singleton births among women with pre-existing diabetes between 1995 and 2003. We defined maternal race/ethnicity as non-Hispanic white, non-Hispanic black, Hispanic, South Asian, and East Asian, and education level as <12, 12, and >12 years. Our outcomes were pre-eclampsia, preterm birth (PTB) (<37 weeks gestation and categorised as spontaneous or medically indicated), as well as small-for-gestational age (SGA) and large-for-gestational age (LGA). Using multivariable binomial regression, we estimated the risk ratios for pre-eclampsia, SGA, and LGA. We used multivariable multinomial regression to estimate odds ratios (OR) for PTB. RESULTS: Compared with non-Hispanic white women with pre-existing diabetes, non-Hispanic black and Hispanic women with pre-existing diabetes had a 1.50-fold increased risk of pre-eclampsia compared with non-Hispanic whites with pre-existing diabetes, after full adjustment. Non-Hispanic black and Hispanic women with pre-existing diabetes had adjusted ORs of 1.72 [adj. 95% confidence interval (CI) 1.38, 2.15] and 1.65 [adj.95% CI 1.32, 2.05], respectively, for medically indicated PTB. South Asian women with pre-existing diabetes had the highest risk for having an SGA infant [adj. OR: 2.29; adj. 95% CI 1.73, 3.03]. East Asian ethnicity was not associated with these pregnancy complications. CONCLUSIONS: Non-Hispanic black, Hispanic, and South Asian women with pre-existing diabetes may benefit from targeted interventions to improve pregnancy outcomes.


Subject(s)
Asian/statistics & numerical data , Black or African American/statistics & numerical data , Diabetes, Gestational/epidemiology , Hispanic or Latino/statistics & numerical data , Pregnancy Complications/epidemiology , Pregnancy in Diabetics/epidemiology , White People/statistics & numerical data , Adult , Diabetes, Gestational/ethnology , Educational Status , Female , Humans , Infant, Low Birth Weight , Infant, Newborn , Infant, Small for Gestational Age , Male , Maternal Age , New York City/epidemiology , Pregnancy , Pregnancy Complications/ethnology , Pregnancy Outcome , Pregnancy in Diabetics/ethnology , Premature Birth/epidemiology , Premature Birth/ethnology , Prospective Studies
19.
Diabet Med ; 29(8): e180-3, 2012 Aug.
Article in English | MEDLINE | ID: mdl-22507394

ABSTRACT

AIMS: To compare the prevalence of diabetes in pregnancy, pregnancy care and adverse pregnancy outcomes in on-reserve First Nations women vs. non-First Nations women in Ontario, Canada. METHODS: A retrospective population-based cohort study was performed. All 487368 live singleton hospital deliveries between 1 April 2002 and 31 March 2010 were identified. Outcomes were defined by linking mothers and infants to provincial healthcare administrative databases. RESULTS: Diabetes in pregnancy was more prevalent in First Nations women (10.3 vs. 6.0%). They received less pregnancy care and had higher rates of adverse outcomes than non-First Nations women with diabetes. CONCLUSIONS: First Nations women are at a higher risk of diabetes in pregnancy and adverse outcomes. This highlights the need for increased care for pregnant First Nations women.


Subject(s)
Diabetes, Gestational/ethnology , Indians, North American/ethnology , Pregnancy Outcome/ethnology , Pregnancy in Diabetics/ethnology , Adult , Female , Humans , Ontario/epidemiology , Preconception Care/statistics & numerical data , Pregnancy , Prenatal Care/statistics & numerical data , Prevalence , Retrospective Studies
20.
Diabetologia ; 55(4): 971-80, 2012 Apr.
Article in English | MEDLINE | ID: mdl-22237686

ABSTRACT

AIMS/HYPOTHESIS: To determine the impact of maternal diabetes during pregnancy on racial disparities in fetal growth. METHODS: Using linked birth certificate, inpatient hospital and prenatal claims data we examined live singleton births of mothers resident in South Carolina who self-reported their race as non-Hispanic white (NHW; n = 140,128) or non-Hispanic black (NHB; n = 82,492) and delivered at 28-42 weeks' gestation between 2004 and 2008. RESULTS: Prepregnancy diabetes prevalence was higher in NHB (3.0%) than in NHW (1.7%), while the prevalence of gestational diabetes mellitus (GDM) was similar in NHB (6.1%) and NHW (6.3%). At a delivery BMI of 35 kg/m(2), GDM exposure was associated with an average birthweight only 17 g (95% CI 4, 30) higher in NHW, but 78 g (95% CI 61, 95) higher in NHB (controlling for gestational age, maternal age, infant sex and availability of information on prenatal care). Figures for prepregnancy diabetes were 58 g (95% CI 34, 81) in NHW and 60 g (95% CI 37, 84) in NHB. GDM had a greater impact on birthweight in NHB than in NHW (60 g racial difference [95% CI 39, 82]), while prepregnancy diabetes had a large but similar impact. Similarly, the RR for GDM of having a large- relative to a normal-weight-for-gestational-age infant was lower in NHW (RR 1.41 [95% CI 1.34, 1.49]) than in NHB (RR 2.24 [95% CI 2.05, 2.46]). CONCLUSIONS/INTERPRETATION: These data suggest that the negative effects of GDM combined with obesity during pregnancy may be greater in NHB than in NHW individuals.


Subject(s)
Birth Weight/physiology , Black or African American , Diabetes Mellitus, Type 2/ethnology , Diabetes, Gestational/ethnology , Pregnancy in Diabetics/ethnology , White People , Adolescent , Adult , Female , Health Status Disparities , Humans , Infant, Newborn , Male , Maternal Age , Obesity/ethnology , Pregnancy , South Carolina
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