胎母输血综合征(fetal-maternal hemorrhage,FMH)是指胎儿血液通过胎盘的绒毛间隙进入母体循环,导致胎儿失血或母体的溶血性输血反应,是一组类似输血反应的临床症候群,胎儿血逆向流入母体的原因尚不十分清楚,可能是由于胎儿脐动脉与绒毛间隙之间形成的压力差造成胎儿血直接进入 Fetal-maternal hemorrhage (fetal-maternal hemorrhage, FMH) refers to the fetal blood through the placental villus space into the maternal circulation, resulting in fetal blood loss or maternal hemolytic transfusion reactions, is a group of clinical syndromes similar to transfusion reactions, fetal blood reverse The reason for the inflow into the maternal is not well understood, probably because the pressure differential between the fetal umbilical artery and villus space causes fetal blood to directly enter