Applied Radiology

A 34-year-old female (gravida 5, term 2, para 2, abortion 2, living 2) presented to the ultrasound lab as measuring large for gestational dates. She was normotensive and asymptomatic. Her prenatal course had been unremark-able, and she reported no incidences of bleeding or pain. She had no personal or family history of birth defects. Images from a routine obstetrical ultra-sound are illustrated in fig-ures 1-4.