22nd August 2023

A 30-year-old woman with G2P1 at 36 weeks gestation presents with a sudden onset of abdominal pain and vaginal bleeding

A 30-year-old woman with G2P1 at 36 weeks gestation presents with a sudden onset of abdominal pain and vaginal bleeding. Her blood pressure is 85/50 mmHg, and her pulse rate is 120 bpm. The foetus is in distress.

What is the most common risk factor for the condition likely causing her symptoms?