息儿女,生后20min,因胎龄小,出生体重低由产房转入新生儿科。系孕3产1,胎龄31+3周,顺产分娩,出生体重2148g。1min Apgar评分3分,5min Apgar评分8分。羊水清,胎盘边缘见一暗红色肿块,质硬,约7cm×7cm×5cm大小。母亲病史有胎膜破裂6h,孕26+4周胎儿B超示胎盘胎儿面有低回声不均质占位,胎盘血管瘤可能,孕31周B Silent children, 20min after birth, due to small gestational age, low birth weight from the delivery room into the neonatology. Department of pregnancy 3 1, gestational age 31 + 3 weeks, birth delivery, birth weight 2148g. 1min Apgar score 3 points, 5min Apgar score 8 points. Amniotic fluid clear, see a dark red placental mass, hard, about 7cm × 7cm × 5cm size. Maternal history of fetal membrane rupture 6h, 26 + 4 weeks of pregnancy fetus B ultrasound showed placental uneven hypoechoic surface mass, placental hemangioma may be pregnant 31 weeks B