umbilication

例句：

1. 1. The baby's umbilical cord was detached during delivery.
   宝宝在分娩过程中脐带脱落了。
2. 2. The mother experienced a umbilical cord detachment during labor.
   母亲在分娩过程中经历了脐带脱垂。
3. 3. Umbilical detachment is a rare but serious complication of pregnancy.
   脐带脱垂是妊娠中一种罕见的严重并发症。