SOURCES:
Nanette Santoro, MD, director, division of reproductive endocrinology and infertility, the University of Colorado-Denver School of Medicine, Denver.
Howard Zacur, MD, PhD, director, division of reproductive endocrinology and infertility, Johns Hopkins School of Medicine, Baltimore.
Marcelle Cedars, MD, director, division of reproductive endocrinology, University of California, San Francisco, School of Medicine, San Francisco.
McDowell, M. Journal of Adolescent Health, March 2007; vol 40: pp 227-231.