Nurses play a key role in the prevention and control of postpartum hemorrhage they may be first and only professional persons present when bleeding occurs, her prompt and competent action will be crucial in controlling blood loss and reducing the risk of maternal morbidity or even death Aim: This study was undertaken to evaluate the effect of an educational intervention on Improving maternity nurses’ performance regarding prevention and control of postpartum hemorrhage Methods: A quasi-experimental design was utilized. Setting: The study was conducted at obstetrics and gynecology departments affiliated to Benha University Hospital and Benha Teaching hospital. Sample: total sample of 64 maternity nurses were included in the current study. Tools: Two tools were used for data collection; 1) a structured interviewing schedule to collect data about the nurses' sociodemographic characteristics and knowledge regarding postpartum hemorrhage. 2); an observation checklist to assess the procedures provided by nurses during immediate postpartum period concerned with prevention and control of post-partum hemorrhage. Results: there were highly statistically significant differences (P