uk-drcog MCQ (SBA): Chorioamnionitis

A 30-year-old woman, gravida 2 para 1, at 34 weeks of gestation presents to the GP with a temperature of 38.2°C, lower abdominal pain, and uterine tenderness. She reports her waters broke 3 days ago and she has been managing at home. She smells offensive liquor. Which is the single most important diagnosis to consider?