A 32-year-old woman at 31 weeks' gestation has painless bright red vaginal bleeding. Abdomen is nontender and fetal heart tracing is reassuring.

Question

A 32-year-old woman at 31 weeks' gestation has painless bright red vaginal bleeding. Abdomen is nontender and fetal heart tracing is reassuring. Prior ultrasound showed a low-lying placenta. Which of the following is the most likely diagnosis?

Accepted Answer

Placenta previa

Answer

Bloody show

Answer

Vasa previa with fetal bradycardia

Answer

Placental abruption

Answer

Uterine rupture

Placenta previa — USMLE Step 3 MCQ

A 32-year-old woman at 31 weeks' gestation has painless bright red vaginal bleeding. Abdomen is nontender and fetal heart tracing is reassuring. Prior ultrasound showed a low-lying placenta. Which of the following is the most likely diagnosis?