Your baby develops throughout your pregnancy inside your uterus. The uterus is designed to stretch and allow the baby to grow.
The cervix (in pregnancy)
The cervix is the opening between the uterus and vagina, and stays closed throughout pregnancy.
The cervix (in labour)
During labour, the cervix will change shape to allow the baby to pass through. Your healthcare team will use the below terms to describe changes in the cervix:
