uterine mucous membrane

例句：

1. 1.The uterine mucous membrane is the lining of the uterus, which protects and nourishes the fetus.
   子宫粘膜是子宫的内衬，它保护和滋养胎儿。
2. 2. During labor, the uterine mucous membrane thickens to support the growing baby.
   在分娩过程中，子宫粘膜变厚以支撑正在生长的婴儿。
3. 3. Uterine mucous membrane plays a crucial role in maintaining pregnancy and preventing infection.
   子宫粘膜在维持妊娠和防止感染方面起着至关重要的作用。