What is an incompetent cervix? An incompetent cervix is also called cervical insufficiency. The cervix is the bottom part of your uterus (womb). Normally, the cervix remains closed during pregnancy until your baby is ready to be born. A normal pregnancy lasts for about nine months. An incompetent cervix may begin to open at 4 to 6 months of pregnancy. At this time, the cervix may begin to thin and widen without any pain or contractions. The amniotic sac, also called the bag of water, bulges down into the opening of the cervix until it breaks. This may cause a miscarriage or premature (early) delivery of your baby. What causes an incompetent cervix? The exact cause of an incompetent cervix is not known. Some women have an incompetent cervix for no obvious reason. The following may cause an incompetent cervix: An abnormal cervix or uterus. Certain medicines, such as diethylstilbestrol (DES). Your mother may have taken DES when you were inside her womb. Changes in hormones during pregnancy. Damage to the cervix, such as during surgery or after a difficult delivery of a baby.
Posted on: Sat, 24 Aug 2013 11:07:43 +0000
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