intrauterine injection

例句：

1. 1.The doctor administered the intrauterine injection to the pregnant woman.
   医生给这位孕妇进行了宫内注射。
2. 2. During labor, doctors often administer intrauterine injections to relieve pain.
   在分娩过程中，医生经常进行宫内注射以缓解疼痛。
3. 3. The procedure involves injecting medication directly into the mother's uterus during childbirth.
   该程序涉及在分娩期间直接将药物注入母亲的子宫。