Abstract Objective: To analyze the differences between the reduction in he¬moglobin and hematocrit level in severe preeclampsia patients who have had Caesarean section with and without B-Lynch prophylaxis. Method: The design of the study was an experimental analytic with . Randomized Control Trial (RG1'). Thirty patients who came to Dr. Hasan Sadikin Hospital, Soreang Hospital, and Cibabat…