Breastfeeding Persistence at 6 Months: Trends and Disparities from 2008 to 2015.

OBJECTIVE: To assess trends and disparities in breastfeeding by maternal characteristics (race and ethnicity, age at delivery, obesity, parity, and level of education) and the relative importance among these for breastfeeding at 6 months. STUDY DESIGN: This retrospective birth cohort study included 195 861 live singleton children born at 32-42 weeks of gestation from 2008 to 2015 within a single integrated healthcare system. All children had healthcare coverage during the first year of life. Maternal characteristics and breastfeeding status at 6 months of age were extracted from electronic medical records. Trends over time of any breastfeeding ≥6 months were evaluated for the 5 maternal characteristics. Robust Poisson regression models were used to estimate breastfeeding rate differences associated with each of the 5 characteristics. The relative importance among them associated with breastfeeding ≥6 months was assessed by comparing model quasi-likelihood information criteria. RESULTS: Rates of breastfeeding ≥6 months significantly increased overall and among groups defined by the maternal characteristics. However, there was little improvement over time in closing disparities associated with maternal race and ethnicity, age at delivery, prepregnancy obesity status, and level of education. Education level contributed to the greatest disparity in breastfeeding ≥6 months. Maternal age was the second factor, followed by prepregnancy obesity and maternal race and ethnicity. CONCLUSIONS: Breastfeeding outreach programs focusing on women with less than a college education, women <25 years old, and women from non-Hispanic black or Hispanic race and ethnicity may help to reduce disparities and improve breastfeeding persistence rates within integrated healthcare systems.

Comparison of reproductive outcome in oligozoospermic men with high sperm DNA fragmentation undergoing intracytoplasmic sperm injection with ejaculated and testicular sperm.

OBJECTIVE: To investigate the effectiveness of intracytoplasmic sperm injection (ICSI) using testicular sperm as a strategy to overcome infertility in men with high sperm DNA fragmentation (SDF). DESIGN: Prospective, observational, cohort study. SETTING: Private IVF centers. PATIENT(S): A total of 147 couples undergoing IVF-ICSI and day 3 fresh ETs whose male partner has oligozoospermia and high SDF. INTERVENTION(S): Sperm injections were carried out with ejaculated sperm (EJA-ICSI) or testicular sperm (TESTI-ICSI) retrieved by either testicular sperm extraction (TESE) or testicular sperm aspiration (TESA). SDF levels were reassessed on the day of oocyte retrieval in both ejaculated and testicular specimens. MAIN OUTCOME MEASURE(S): Percentage of testicular and ejaculated spermatozoa containing fragmented DNA (%DFI) and clinical pregnancy, miscarriage, and live-birth rates. RESULT(S): The %DFI in testicular sperm was 8.3%, compared with 40.7% in ejaculated sperm. For the TESTI-ICSI group versus the EJA-ICSI group, respectively, the clinical pregnancy rate was 51.9% and 40.2%, the miscarriage rate was 10.0% and 34.3%, and the live-birth rate was 46.7% and 26.4%. CONCLUSION(S): ICSI outcomes were significantly better in the group of men who had testicular sperm used for ICSI compared with those with ejaculated sperm. SDF was significantly lower in testicular specimens compared with ejaculated counterparts. Our results suggest that TESTI-ICSI is an effective option to overcome infertility when applied to selected men with oligozoospermia and high ejaculated SDF levels.

A comparison of menotropin, highly-purified menotropin and follitropin alfa in cycles of intracytoplasmic sperm injection.

BACKGROUND: Over the last several decades, as a result of an evolution in manufacturing processes, a marked development has been made in the field of gonadotropins for ovarian stimulation. Initially, therapeutic gonadotropins were produced from a simple process of urine extraction and purification; now they are produced via a complex system involving recombinant technology, which yields gonadotropins with high levels of purity, quality, and consistency. METHODS: A retrospective analysis of 865 consecutive intracytoplasmic sperm injection (ICSI) cycles of controlled ovarian hyperstimulation (COH) compared the clinical efficacy of three gonadotropins (menotropin [hMG; n = 299], highly-purified hMG [HP-hMG; n = 330] and follitropin alfa [r-hFSH; n = 236]) for ovarian stimulation after pituitary down-regulation. The endpoints were live birth rates and total doses of gonadotropin per cycle and per pregnancy. RESULTS: Laboratory and clinical protocols remained unchanged over time, except for the type of gonadotropin used, which was introduced sequentially (hMG, then HP-hMG, and finally r-hFSH). Live birth rates were not significantly different for hMG (24.4%), HP-hMG (32.4%) and r-hFSH (30.1%; p = 0.09) groups. Total dose of gonadotropin per cycle was significantly higher in the hMG (2685 +/- 720 IU) and HP-hMG (2903 +/- 867 IU) groups compared with the r-hFSH-group (2268 +/- 747 IU; p < 0.001). Total dose of gonadotropin required to achieve clinical pregnancy was 15.7% and 11.0% higher for the hMG and HP-hMG groups, respectively, compared with the r-hFSH group, and for live births, the differences observed were 45.3% and 19.8%, respectively. CONCLUSION: Although similar live birth rates were achieved, markedly lower doses of r-hFSH were required compared with hMG or HP-hMG.

Influence of antisperm antibodies in the semen on intracytoplasmic sperm injection outcome

OBJECTIVE: The aim of this study was to analyze the influence of autoantibodies against spermatozoa present in the semen on the outcome of in vitro fertilization with intracytoplasmic sperm injection (ICSI). MATERIALS AND METHODS: We performed a retrospective analysis of clinical and laboratorial data from a six year-period ICSI cycles. Screening for the presence of ASA in the semen, by using the direct immunobeads test (IBT), was available for 351 cycles. According to the percentage of antibody-bound spermatozoa in the semen, we divided the cycles in four groups: I (n = 194): 0 percent-10 percent ASA; II (n = 107): 11 percent-20 percent; III (n = 33): 21 percent-50 percent and IV (n = 17): 51 percent-100 percent ASA. Additionally, a group of 349 ICSI cycles performed with ejaculated spermatozoa from oligo/asthenozoospermic men who had insufficient number of motile sperm available for ASA screening was included for comparison. ICSI outcomes were compared among groups and included fertilization rate (2 PN), cleavage rate, cleavage velocity, embryo quality, clinical pregnancy and miscarriage rates. Data were examined statistically, with an alpha level of 5 percent considered significant. RESULTS: Fertilization, cleavage rate and velocity, percentage of good quality embryos, as well as clinical pregnancy and miscarriage rates did not differ among different ASA levels groups. ICSI outcomes in men exhibiting different levels of autoimmunity against spermatozoa did not differ from those with severely abnormal seminal parameters. CONCLUSIONS: Our data indicate that intracytoplasmic sperm injection (ICSI) outcomes are not influenced by ASA levels on sperm.

Influence of antisperm antibodies in the semen on intracytoplasmic sperm injection outcome.

OBJECTIVE: The aim of this study was to analyze the influence of autoantibodies against spermatozoa present in the semen on the outcome of in vitro fertilization with intracytoplasmic sperm injection (ICSI). MATERIALS AND METHODS: We performed a retrospective analysis of clinical and laboratorial data from a six year-period ICSI cycles. Screening for the presence of ASA in the semen, by using the direct immunobeads test (IBT), was available for 351 cycles. According to the percentage of antibody-bound spermatozoa in the semen, we divided the cycles in four groups: I (n = 194): 0%-10% ASA; II (n = 107): 11%-20%; III (n = 33): 21%-50% and IV (n = 17): 51%-100% ASA. Additionally, a group of 349 ICSI cycles performed with ejaculated spermatozoa from oligo/asthenozoospermic men who had insufficient number of motile sperm available for ASA screening was included for comparison. ICSI outcomes were compared among groups and included fertilization rate (2 PN), cleavage rate, cleavage velocity, embryo quality, clinical pregnancy and miscarriage rates. Data were examined statistically, with an alpha level of 5% considered significant. RESULTS: Fertilization, cleavage rate and velocity, percentage of good quality embryos, as well as clinical pregnancy and miscarriage rates did not differ among different ASA levels groups. ICSI outcomes in men exhibiting different levels of autoimmunity against spermatozoa did not differ from those with severely abnormal seminal parameters. CONCLUSIONS: Our data indicate that intracytoplasmic sperm injection (ICSI) outcomes are not influenced by ASA levels on sperm.

Comparação entre menotropina altamente purificada e folitropina alfa para hiperestimulação ovariana controlada após supressão hipofásica nos ciclos de ICSI / A comparison of menotropin, highly-purified menotropin and follitropin alfa for controlled ovarian stimulation after pituitary down-regulation in ICSI cycles

OBJETIVO: Comparar a eficácia clínica entre três tipos de gonadotrofinas para a estimulação ovariana após a supressão hipofisária nos ciclos de ICSI. MATERIAL E MÉTODOS: Analisou-se retrospectivamente 865 ciclos consecutivos de ICSI envolvendo supressão hipofisária previamente à hiperestimulação ovariana controlada (HOC). A HOC foi realizada com menotropina (HMG: Menogon, Ferring; n=299), menotropina altamente purificada (HMG-HP: Menopur, Ferring; n=330) e FSH recombinante (r-hFSH: Gonal-F, Serono; n=236). Os protocolos laboratoriais e clínicos permaneceram inalterados ao longo do tempo, os últimos diferindo apenas no tipo de gonadotrofina utilizada, que foram introduzidas seqüencialmente na prática clínica, iniciando com o HMG, seguido pelo HMG-HP, e finalmente o r-hFSH. Os parâmetros de interesse primário foram a taxa de nascidos vivos e as doses totais de gonadotrofina utilizadas por ciclo, por gestação e por nascido vivo. Análise comparativa foi realizada com ANOVA, Kruskal-Wallis e Chi-quadrado quando apropriado. RESULTADOS: As taxas de nascidos vivos não foram significativamente diferentes entre os grupos HMG (26,4%), HMG-HP (34,6%) e r-hFSH (32,4%; p igual a 0,09). A dose total de gonadotrofina utilizada por ciclo foi significativamente superior nos grupos HMG (2.685±720UI) e HMG-HP (2.903 mais ou menos 867UI) em comparação com o r-hFSH (2.268 mais ou menos 747UI; p menor que 0,001). Diferenças relativas de 15,7% e 45,2%, e de 11% e 19,8% foram observadas a favor do r-hFSH em comparação ao HMG e HMG-HP, respectivamente, no que se refere às quantidades de gonadotrofina necessárias para se obter cada gestação e cada nascido vivo. CONCLUSÕES: Taxas de nascidos vivos similares foram obtidas com HMG, HMG-HP e r-hFSH quando utilizadas para HOC após supressão hipofisária nos ciclos de ICSI. Doses totais significativamente menores de r-hFSH foram utilizadas por ciclo em comparação às menotropinas. Para cada nascido vivo, quantidades consideravelmente maiores d...