Abstract Background Heart disease, which affects approximately 4% of pregnancies, is the leading non-obstetric cause of maternal death. It is estimated that 40% of these deaths could be prevented with a better understanding of pregnancy risks. Objectives To develop the Brazilian Registry of Heart Diseases in Pregnancy (REBECGA) to study the prevalence, complications, and maternal mortality associated with heart diseases during pregnancy and postpartum. Methods A multicenter retrospective study of pregnancy and postpartum follow up until 12 months after delivery […]