title: Acute abdomen caused by placenta percreta in the second trimester.
abstract: A woman with a history of "in utero" diethylstilbestrol exposure but no prior uterine surgery presented with an acute abdomen at 21 weeks' gestation. She had hemoperitoneum associated with placenta percreta.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D000328:Adult; D005260:Female; D006465:Hemoperitoneum / Q000209:etiology; D006801:Humans; D010921:Placenta Accreta / Q000150:complications*; D011247:Pregnancy; D011262:Pregnancy Trimester, Second