Cervical dilation is the process by which the cervix, the lower part of the uterus, opens to allow for childbirth. During labor, the cervix gradually expands from a closed position to about 10 centimeters in diameter, which is necessary for the baby to pass through the birth canal. This dilation is measured in centimeters and is an important indicator of labor progress. The process of cervical dilation is influenced by various factors, including the strength and frequency of uterine contractions. As contractions occur, they help to thin and soften the cervix, facilitating its opening. Monitoring cervical dilation is crucial for healthcare providers to assess the readiness for delivery.