pelvic splanchnicnerves

例句：

1. 1.The pelvic splanchnic nerves are responsible for the control of the lower abdominal muscles.
   骨盆神经丛负责控制下腹部肌肉。
2. 2. During childbirth, the pelvic splanchnic nerves play a crucial role in regulating blood flow to the uterus.
   分娩过程中，骨盆神经丛在调节子宫血流方面起着至关重要的作用。
3. 3. Injuries to the pelvic splanchnic nerves can lead to severe pain and complications during sexual activity.
   骨盆神经丛受损可能导致性生活时剧烈疼痛和并发症。