upper margin of pubic bone

例句：

1. 1. The doctor performed a surgery on the patient's upper margin of pubic bone to repair his fractured leg.
   医生对患者的耻骨上缘进行了手术，以修复他的骨折腿。
2. 2.During childbirth, the upper margin of pubic bone is the most vulnerable part of the body.
   在分娩过程中，耻骨上缘是身体最脆弱的部分。
3. 3. The upper margin of pubic bone can be used as an indicator for assessing the health status of the male reproductive system.
   耻骨上缘可以作为评估男性生殖系统健康状况的一个指标。