Current Obstetric and Gynecologic:

Alan H. DeCherney, MD is Chief of Reproductive Biology and MAlan H. DeCherney, MD is Chief of Reproductive Biology and Medicine Branch at the National Institute of Child Health andedicine Branch at the National Institute of Child Health and Human Development at the National Institutes of Health in B Human Development at the National Institutes of Health in Bethesda, Maryland.

T. Murphy Goodwin, MD is Chief of the ethesda, Maryland.

T. Murphy Goodwin, MD is Chief of the Division of Maternal-Fetal Medicine in the Department of ObsDivision of Maternal-Fetal Medicine in the Department of Obstetrics and Gynecology at the University of Southern Califortetrics and Gynecology at the University of Southern California in Los Angeles, California.

Lauren Nathan, MD is Assonia in Los Angeles, California.

Lauren Nathan, MD is Associate Professor in the Department of Obstetrics and Gynecolociate Professor in the Department of Obstetrics and Gynecology at the David Geffen School of Medicine at UCLA in Los Anggy at the David Geffen School of Medicine at UCLA in Los Angeles, California.

Neri Laufer, MD is Chairman of the Depaeles, California.

Neri Laufer, MD is Chairman of the Department of Obstetrics and Gynecology at Hadassah University Hrtment of Obstetrics and Gynecology at Hadassah University Hospital in Ein Kerem, Jerusalem in Israel. ospital in Ein Kerem, Jerusalem in Israel.