dilatation of cervix

例句：

1. 1. The patient's cervix was dilated due to the pregnancy.
   由于怀孕，患者的宫颈被扩张了。
2. 2. During labor, the doctor performed a dilatation of the cervix to facilitate delivery.
   在分娩过程中，医生进行了宫颈扩张以促进分娩。
3. 3. The dilatation of the cervix is a common procedure during childbirth.
   宫颈扩张是分娩过程中的常见程序。