Pressure on the cervix can lead to dilation. When the baby starts to drop down into the pelvis in preparation for labor, this puts pressure on the cervix. The cervix is a cylindrical-shaped structure located at the lower end of the uterus, and it acts as the gateway between the uterus and the birth canal.
During pregnancy, the cervix remains long and closed, providing a protective barrier for the developing baby. However, as the baby grows and approaches full term, the cervix undergoes changes in preparation for labor. This process is often referred to as cervical ripening.
The pressure exerted by the baby’s head on the cervix during the later stages of pregnancy can cause the cervix to thin out and open up. This thinning out of the cervix is called effacement, and the opening up is called dilation. Effacement and dilation are essential steps in the progression of labor, as they allow the baby to pass through the birth canal during delivery.
Effacement is measured in percentages, and it refers to the thinning of the cervix. In a non-pregnant state, the cervix is typically around 2-3 centimeters long. As the cervix effaces, it becomes shorter and thinner. It is considered fully effaced when it is paper-thin and no longer palpable during a vaginal examination.
Dilation, on the other hand, refers to the opening up of the cervix. It is measured in centimeters and represents the diameter of the cervical opening. The cervix needs to dilate to around 10 centimeters for the baby to pass through during delivery.
It’s important to note that effacement and dilation can occur independently or simultaneously. Some women may experience effacement before dilation, while others may have both happening concurrently. The process of cervical ripening and the timing of effacement and dilation can vary from woman to woman and even from pregnancy to pregnancy.
Personal experiences can vary greatly when it comes to effacement and dilation. Some women may notice gradual changes in their cervix over a period of days or weeks, while others may have a more rapid progression. It’s important to remember that every pregnancy is unique, and the rate of cervical changes can be influenced by various factors such as previous pregnancies, the position of the baby, and hormonal fluctuations.
Pressure on the cervix can indeed lead to dilation. As the baby descends into the pelvis, the cervix undergoes changes, including effacement (thinning) and dilation (opening up), in preparation for labor. These changes allow the baby to pass through the birth canal during delivery. However, it’s important to consult with your healthcare provider for personalized information and guidance throughout your pregnancy journey.