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Objective: Postpartum hemorrhage is a common obstetrical emergency. Because the majority of cases respond to conservative medical therapies, trainees have limited clinical experience with hemostatic sutures or placement of a Bakri intrauterine balloon for refractory postpartum hemorrhage. Simulations provide an invaluable adjunct to resident education to learn and practice these hemostatic techniques. We aimed to create a low-cost, reproducible simulation model to prepare residents for uterine atony interventions such as B-Lynch, Bakri balloon placement, and uterine artery ligation., Study Design: Using low-cost supplies, a reusable, life-sized recent postpartum uterus was constructed from pieces of sheepskin and sewn together with various expired suture. The sheepskin material allowed for repeated, secure placement of B-Lynch and O'Leary sutures and Bakri balloons, as well as offering the required compressibility to simulate a boggy uterus. Finally, sections of a red robin catheter were incorporated along the lateral lower borders of the model to simulate blood vessels for practicing uterine artery ligations., Results: The model was used about 50 times over the span of 3 years to practice uterine hemostatic suturing. Residents found this model lifelike, accurate in size, and multifunctional for practicing these various techniques. The sheepskin material proved to be very resistant to repeated suturing, and also provided strong suture pull through strength. The durability of the sheepskin material demonstrates that this model can be used for repeated simulations or individual practice., Conclusion: The sheepskin uterus model provides trainees a realistic, low-cost, reproducible, simulation of a hypotonic uterus and allows for multiple modalities for managing postpartum hemorrhage., Key Points: · We provide instructions for the creation of a sheepskin model for obstetric hemorrhage simulation.. · We demonstrate use of the sheepskin model in various obstetric hemorrhage management techniques.. · We demonstrate that the model is durable and lifelike based off of resident feedback.., Competing Interests: None declared., (Thieme. All rights reserved.)