The womb (uterus) is a muscular, pear-shaped organ where a baby is carried during pregnancy.
It sits low in the pelvis (the area between the hips) and is supported by the pelvic floor muscles. The lower part of the womb is called the cervix.
The cervix is joined to the top of the vagina and is sometimes called the neck of the womb. Cancers that start in the cervix behave differently and are treated differently from uterine cancer.