To explore the effect of antepartum bleeding caused by PP on pregnancy outcomes. We retrospectively analyzed 493 pregnant women complicated with PP. Patients were divided into antepartum repeated bleeding and non-bleeding groups. Maternal characteristics and pregnancy outcomes were compared. The risk of antepartum hemorrhage was 2.038 times higher when gravidity was 5 (95% CI 1.104–3.760, p = .023). Pregnant women with a history of more than three intrauterine procedures had a 1.968 times higher risk...