Vaginal delivery Postpartum Hemorrhage: Incidence, Risk Factors, and Causes

Introduction: Postpartum hemorrhage is considered as one of the major causes of maternal mortality in the world. Identification of women at risk of postpartum hemorrhage prepares the medical team for faster therapeutic decisions which can reduce maternal complications. This study was performed with aim to identify the risk factors of vaginal delivery postpartum hemorrhage. Methods: This cross-sectional analytic study was performed on 600 women referred to Omol-Banin Hospital of Mashhad in 2017. After delivery, the researcher measured and recorded lost blood volume in mothers via plastic blood collection bags and pads within 4 hours after delivery. Data were analyzed by SPSS software (version 25) and Mann-Whitney, independent t, Chi-square, and Fisher Exact tests. P