An intra-uterine device for treating post-partum hemorrhage (PPH) is described, along with an applicator system. In embodiments, the PPH device is comprised of a mesh pouch that is filled with a plurality of sponges. Each sponge is designed to expand upon absorption of fluids, such as blood. The collective expansion of the sponges within the mesh pouch causes the PPH device to expand within a patient's uterus, thus applying pressure to stanch blood flow. The PPH device is loaded into an applicator which is then inserted into a patient, and a corresponding plunger is used to deploy the PPH device. Following completion of treatment, the PPH device may be removed using a removal strand attached to the pouch that is exposed outside of the patient.