Which statement most accurately describes Placental abruption?

A. A benign smooth-muscle tumour of the uterus. B. A syndrome characterised by ovulatory dysfunction, hyperandrogenism and polycystic ovarian morphology after exclusion of mimics. C. Premature separation of a normally implanted placenta, often causing painful bleeding. D. Testing intended to detect precancerous cervical changes before invasive cancer develops.