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Molar pregnancy — DRCOG MCQ

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ModerateEarly PregnancyMolar pregnancyDRCOG

A 19-year-old woman at 10 weeks' gestation has severe vomiting, vaginal bleeding and a uterus larger than expected for dates. Ultrasound shows a heterogeneous intrauterine mass and no viable fetus. What is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: B — Hydatidiform molar pregnancy

Marked vomiting, bleeding, uterine size greater than dates and a characteristic abnormal ultrasound suggest molar pregnancy. Threatened miscarriage would usually show a viable intrauterine pregnancy with a closed cervix. Ectopic pregnancy is extrauterine and would not cause a large intrauterine mass. Molar pregnancy requires evacuation and hCG follow-up through a specialist centre.

Reference: RCOG Green-top Guideline No. 38; NICE NG126