👉 Prochorionic is a medical term that refers to an abnormality of blood flow in the uterus during pregnancy, which can cause pain and discomfort. It's a sign of preterm labor or premature rupture of membranes (PROM). The symptoms may include cramping, nausea, vomiting, and fever. Treatment for prochorionic bleeding typically includes medications to reduce inflammation and alleviate pain, as well as monitoring blood levels to ensure the baby is being nourished properly.