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@#Objective To explore the influence of reproduction history on depression during pregnancy． Methods Data on 3 792 pregnant women from the Chinese pregnant women cohort study with complete information on reproduction history and depression were used in the present study． The Edinburgh postnatal depression scale was used to assess depression status among pregnant women． A chi-square test was used for univariate analysis，and a Log－binomial regression was used for multivariate analysis． The adjusted relative risks ( ＲＲs) with 95% confidence intervals ( 95% CIs) were calculated，and were presented in a forest plot． Ｒesults The results of Log－binomial regression showed that a history of delivery could increase the risk of depression during the second trimester ( ＲＲ: 1. 04，95% CI: 1. 01 － 1. 08，P= 0. 042) and the third trimester ( ＲＲ: 1. 05，95% CI: 1. 01－1. 10，P= 0. 020) ． There was a 6% increase of risk on depression in women with a history of cesarean delivery compared with women without that during the third trimester ( ＲＲ: 1. 06，95% CI: 1. 01－1. 11，P = 0. 041) ． Conclusions There is asignificant influence of reproduction history on gestational depression． Maternal and child health personnel should focus on these pregnant women，and conduct targeted health education and mental nursing． In addition，medical personnel should also pay attention to the emotional changes of these women and provide them with several adjustment strategies．
ABSTRACT
@#Objective To explore the associations between cesarean section with different types and intensity of physical activity in the second trimester pregnant women． Methods Six hundred and seventy－two participants from the Chinese pregnant women cohort study ( CPWCS) were analyzed． The pregnancy physical activity questionnaire ( PPAQ) was used to collect the status of physical activities in pregnant women． The participants were followed up and the data of delivery way was collected． Logistic regression model was conducted to analyze the associations． Ｒesults A total of 273 pregnant women ( 40. 63%) were delivered by cesarean section． After adjusting age，pre-pregnancy BMI and history of childbirth，results of Logistic regression model showed that pregnant women with higher levels of exercise had a lower risk of cesarean section than those who did not participate in exercise ( OＲ= 0. 564，95% CI: 0. 338－0. 941) . In terms of physical activity intensity，pregnant women who participated in the higher level of moderate to vigorous physical activity had a lower risk of cesarean section than those who partici- pated in the lower level ( OＲ= 0．642，95% CI: 0．437－0．972) ． Conclusions Exercise and moderate to vigorous physical activity are protective factors for cesarean section． Health education should be further strengthened to encourage pregnant women to carry out appropriate physical activity during pregnancy．
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Objective To explore the association between unhealthy diets and depression in early pregnancy. Methods 7 976 women in early pregnancy were recruited and analyzed in this study from the Chinese Pregnant Women Cohort Study (CPWCS) from July 25th, 2017 to July 24th, 2018. Differences of baseline characteristics between the two groups were conducted by a chi-square test. The qualitative food frequency questionnaire and the edinburgh postnatal depression scale were used to assess depression status and food intake frequency during the first trimester respectively. Log-binomial regression was used to analyze the relationship between unhealthy diets and depression in early pregnancy. Prevalence ratio (PR) and its 95% confidence interval (95% CI) were calculated. Results Eating regularly (PR=0.45, 95% CI:0.38-0.54，P<0.001) and eating breakfast frequently (PR=0.80, 95% CI:0.72-0.90, P<0.001) were related to the low incidence of depression while frequent consumption of fried food (PR=1.25, 95% CI:1.03-1.53, P=0.027), Western-style fast food (PR=1.36, 95% CI:1.06-1.74, P=0.015) and puffed food (PR=1.37, 95% CI:1.11-1.70, P=0.003) as well as drinking sugar-sweetened beverage (PR=1.37, 95% CI:1.17-1.61, P<0.001),wine (PR=1.60, 95% CI:1.26-2.01, P<0.001) and liqueur (PR=1.26, 95% CI:1.00-1.59, P=0.047) were linked with the high incidence of depression. Conclusions There might be an association between unhealthy diets and depression in early pregnancy. Pregnant women should take the initiative to better understand what are healthy diets and reduce the frequency of unhealthy diets consumption to decrease the incidence of depression during pregnancy.
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<p><b>OBJECTIVE</b>To evaluate the sensitivity and specificity of CD8CD28/CD8CD28T lymphocyte balance in predicting the gastrointestinal hemorrhage (GH) in patients with inflammatory bowel disease (IBD).</p><p><b>METHODS</b>Forty-nine IBD patients, including 30 with ulcerous colitis (UC) and 19 with Crohn's disease (CD), were enrolled to test peripheral blood CD8CD28and CD8CD28T cells using flow cytometry. All the patients were followed up for one year. The receiver-operating characteristic (ROC) curves were used to test the efficiency of CD8CD28/CD8CD28T lymphocyte balance to predict GH. The differences in lasting time of remission (LTR) under different factors were compared using Kaplan-Meier survival analysis, and the correlation between CD8T lymphocytes and the factors were analyzed.</p><p><b>RESULTS</b>The utilization rates of immunosuppressant, steroids, and biological agent (BA) were significantly higher in CD patients than in UC patients (P=0.003, 0.043 and 0.002, respectively). The frequencies of CD8CD28T cells were obviously higher in UC patients than those in CD patients (t=3.022, P=0.004). CD8CD28T cells, CD8CD28T cells, and especially CD8CD28/CD8CD28ratio (area under curve of 0.977, P=0.000; cut-off value of 1.14 [13.95%/12.24%] with a sensitivity of 93.3% and a specificity of 91.2%) showed good efficiencies in predicting GH (P<0.01). The mean and median of LTR of IBD patients who did not receive BA or surgical treatment were significantly longer (Χ=9.730, P=0.002; Χ=15.981, P=0.000). CD8CD28/CD8CD28ratio was significantly related to both BA (P=0.009) and surgery (P=0.038).</p><p><b>CONCLUSION</b>Both decreased CD8CD28T cells and elevated CD8CD28T cells are closely correlated with GH, and their ratio can predict the occurrence of GH with a high sensitivity and specificity and is correlated with BA and surgery at the cut-off value of 1.14.</p>