Associations Between Parity, Breastfeeding, and Risk of Maternal Type 2 Diabetes Among Postmenopausal Women

OBJECTIVE: To examine associations among parity, breastfeeding history, and risk of developing type 2 diabetes among postmenopausal women. METHODS: A prospective cohort study was conducted. One hundred thirty-six thousand six hundred fifty-two postmenopausal women aged 50–79 years participating in the Women's Health Initiative recruited from 40 clinical centers throughout the United States between 1993 and 1998, without baseline cancer or...