Placenta previa and vasa previa Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 30-year-old woman, gravida 3, para 2, presents for an anatomy ultrasound at 20-weeks of gestation. The ultrasound shows an anatomically normal fetus; however, the edge of the placenta overlies the internal cervical os and there is a marginal cord insertion. The patient is put on pelvic rest and remains asymptomatic. She undergoes a repeat ultrasound at 32 weeks, and after reviewing the findings, the physician recommends inpatient monitoring, corticosteroids, and a C-section between 34 and 37 weeks. Which of the following transvaginal ultrasound (TVUS) findings would be consistent with this management plan?

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Placental edge 5 mm from the os and umbilical vessels 25 mm from the os

Placenta overlying the os and umbilical vessels not seen on TVUS

Placental edge 15 mm from the os and umbilical vessels 25 mm from the os

Placental edge 25 mm from the os and umbilical vessels 15 mm from the os

Placental edge 25 mm from the os and umbilical vessels not seen on TVUS