Obstet Gynecol Clin North Am
PoWER-Partnerships for Women's Endocrine and Reproductive Health, Department of Obstetrics and Gynecology, Center for Health Promotion and Disease Prevention, Center for Women's Health Research, University of North Carolina School of Medicine, University of North Carolina, 3027 Old Clinic Building, CB 7570, Chapel Hill, NC 27599-7570, USA. Electronic address:
Published: March 2017