omphalotomy

例句：

1. 1. The patient underwent an omphalotomy to deliver her baby.
   患者接受了剖腹产手术以分娩。
2. 2. The obstetrician performed an omphalotomy during the delivery.
   产科医生在分娩过程中进行了剖腹产手术。
3. 3. The mother chose an omphalotomy over a natural childbirth due to complications during labor.
   由于分娩过程中出现并发症，母亲选择了剖腹产而非自然分娩。