BACKGROUND: Breastfeeding has been associated with a reduced maternal long-term risk of chronic diseases, but its association with mortality is poorly known. METHODS: We included 166,708 female United States (US) nurses from the Nurses' He…
BACKGROUND: Overweight 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 underst…
IMPORTANCE: Menstrual 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 …
OBJECTIVE: To investigate the associations between dietary patterns and antral follicle count (AFC), a marker of ovarian reserve. DESIGN: Prospective cohort study. SETTING: Fertility center at an academic hospital. PATIENT(S): A total of…
OBJECTIVE: To evaluate whether irregular or long menstrual cycles throughout the life course are associated with all cause and cause specific premature mortality (age <70 years). DESIGN: Prospective cohort study. SETTING: Nurses' Health S…
STUDY QUESTION: What is the association of female and male partner marijuana smoking with infertility treatment outcomes with ART? SUMMARY ANSWER: Women who were marijuana smokers at enrollment had a significantly higher adjusted probabili…