BackgroundBreastfeeding has been associated with a reduced maternal long-term risk of chronic diseases, but its association with mortality is poorly known.MethodsWe included 166,708 female United States (US) nurses from the Nurses' Health S…
BackgroundOverweight and obesity among women have been associated with lower success of assisted reproduction technologies (ARTs). However, the relation of adolescent body weight and adult weight change to ART outcomes is not well understoo…
ImportanceMenstrual cycle dysfunction is associated with insulin resistance, a key feature early in the pathogenesis of type 2 diabetes. However, the evidence linking irregular and long menstrual cycles with type 2 diabetes is scarce and in…
ObjectiveTo investigate the associations between dietary patterns and antral follicle count (AFC), a marker of ovarian reserve.DesignProspective cohort study.SettingFertility center at an academic hospital.Patient(s)A total of 363 women see…
ObjectiveTo evaluate whether irregular or long menstrual cycles throughout the life course are associated with all cause and cause specific premature mortality (age <70 years).DesignProspective cohort study.SettingNurses' Health Study II (1…
Study questionWhat is the association of female and male partner marijuana smoking with infertility treatment outcomes with ART?Summary answerWomen who were marijuana smokers at enrollment had a significantly higher adjusted probability of …
Study questionAre serum polyunsaturated fatty acids (PUFA) concentrations, including omega-3 (ω3-PUFA) and omega-6 (ω6-PUFA), related to ART outcomes?Summary answerSerum levels of long-chain ω3-PUFA were positively associated with probabili…