Endocrine and Reproductive Disorders · USMLE Step 1

A pregnant woman develops painless vaginal bleeding at 34 weeks. Ultrasound shows placenta covering the cervical os. Which condition is this?

  1. Placental abruption
  2. Placenta previa
  3. Vasa previa
  4. Uterine rupture
Show answer and explanation

Correct answer: Placenta previa

Placenta previa involves painless bleeding and placenta covering the cervical os. It requires careful monitoring and often C-section delivery.

Difficulty: Medium Question 7 of 20

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