supravaginal part of cervix

例句：

1. 1. Thedoctor performed a biopsy on thesupravaginal part of thecervix to investigate the causeof the bleeding.
   医生对子宫颈的上段进行了活组织检查，以调查出血的原因。
2. 2. During childbirth, thesupravaginal part of thecervix can be stretched andmay need to be dilated.
   分娩期间，子宫颈的上段可能会被拉伸，可能需要扩张。
3. 3. Thesupravaginalpart of the cervix is often used as an indicatorof pregnancy in women who are trying toconceive.
   子宫颈的上段通常被用作女性尝试怀孕的指示器。