placental incarceration

例句：

1. 1.The baby's mother was rushed to the hospital with placental incarceration.
   婴儿的母亲因胎盘嵌顿被紧急送往医院。
2. 2. Doctors performed emergency surgery to relieve the placental incarceration.
   医生进行了紧急手术来缓解胎盘嵌顿。
3. 3.This condition can lead to serious complications if not treated promptly.
   如果不及时治疗，这种情况可能会导致严重的并发症。