deciduoma

例句：

1. 1. The doctor removed the placenta during the delivery.
   医生在分娩时取出了胎盘。
2. 2.The placenta is responsible for the transfer of nutrients and oxygen to the fetus.
   胎盘负责将营养物质和氧气传递给胎儿。
3. 3.A placental abruption can lead to premature birth or stillbirth.
   胎盘早剥可能导致早产或死产。