title: Abstracts from the ACOG (American College of Obstetricians and Gynecologists) 55th Annual Clinical Meeting. May 5-9, 2007. San Diego, California, USA.
mesh_terms: D005260:Female; D005831:Genital Diseases, Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy; D011248:Pregnancy Complications