urogenital fold

例句：

1. 1. The baby's urogenital folds are still very delicate.
   婴儿的生殖褶皱仍然非常娇嫩。
2. 2. During labor, the uterus contracts to prepare for childbirth.
   分娩期间，子宫会收缩以准备分娩。
3. 3. The doctor performed a biopsy on her urogenital folds to check for any abnormalities.
   医生对她的生殖褶皱进行了活组织检查，以检查是否有异常。