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Ectopic pregnancy — DRCOG MCQ

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HardEarly PregnancyEctopic pregnancyDRCOG

A 30-year-old woman at 7 weeks by dates presents with unilateral pelvic pain and light vaginal bleeding. She feels dizzy and has shoulder-tip pain. Her pulse is 112 bpm and blood pressure is 92/58 mmHg. What is the most likely diagnosis?

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

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Correct answer: E — Ruptured ectopic pregnancy

Unilateral pelvic pain, bleeding, shoulder-tip pain and haemodynamic instability in early pregnancy strongly suggest ruptured ectopic pregnancy. Threatened miscarriage may cause bleeding but should not cause shock and shoulder-tip pain. A corpus luteum cyst can cause unilateral pain but does not fit the shock features. This is an emergency requiring immediate hospital transfer.

Reference: NICE NG126