Karin B. Michels — Endo Lab

observational 2017

History of breast feeding and risk of incident endometriosis: prospective cohort study

BMJ (Clinical research ed.) ·doi:10.1136/bmj.j3778

Objective To investigate the association between lifetime breast feeding, exclusive breast feeding, postpartum amenorrhea, and incidence of endometriosis among parous women.Design Prospective cohort study.Setting Nurses' Health Study II, 19…

observational 2017

Vitamin D and calcium intake and risk of early menopause

The American journal of clinical nutrition ·doi:10.3945/ajcn.116.145607

Background: Early menopause, defined as the cessation of ovarian function before the age of 45 y, affects ∼10% of women and is associated with higher risk of cardiovascular disease, osteoporosis, and other conditions. Few modifiable risk fa…

observational 2014

Oral contraceptive use and mortality after 36 years of follow-up in the Nurses' Health Study: prospective cohort study

BMJ (Clinical research ed.) ·doi:10.1136/bmj.g6356

OBJECTIVE: To determine whether use of oral contraceptives is associated with all cause and cause specific mortality. DESIGN: Prospective cohort study. SETTING: Nurses' Health Study, data collected between 1976 and 2012. POPULATION: 121,…

observational 2004

In utero exposures and the incidence of endometriosis

Fertility and sterility ·doi:10.1016/j.fertnstert.2004.04.065

OBJECTIVE: To investigate the relation between the fetal environment and endometriosis. DESIGN: Prospective cohort study. SETTING: Nurses' Health Study II with 10 years of follow-up. PARTICIPANT(S): Eighty-four thousand, four hundred for…