From the 1University of California, San Francisco, Department of Obstetrics, Gynecology and Reproductive Sciences and 2Department of Medicine, Hematology/Oncology Division, San Francisco, California.
Dr. Caughey is supported in part by a grant under the Robert Wood Johnson Foundation Physician Faculty Scholars Program.
Presented as Abstract #332, Poster Session II, at the 29th annual meeting of the Society for Maternal-Fetal Medicine, January 26–31, 2009, San Diego, California.
Corresponding author: Anjali Kaimal, MD, Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, 505 Parnassus Avenue, Box 0132, San Francisco, CA; e-mail: [email protected].
Financial Disclosure The authors did not report any potential conflicts of interest.