From the Department of Obstetrics and Gynecology, The Ohio State University Hospitals, Columbus, Ohio.
Corresponding author: Walter B. Hull, MD, Department of Obstetrics and Gynecology, The Ohio State University Hospitals, 410 West 10th, Columbus, OH 43210; e-mail: [email protected].
doi: 10.1097/01.AOG.0000182585.33748.c2
