Pregnancy / Childbirth

Cervical insufficiency

Cervical insufficiency

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We talk about cervical insufficiency when it opens too quickly during pregnancy and the uterus is unable to keep the pregnancy to a safe date on its own.

The reason is growth of the uterus and fetus and the pressure exerted by them, without systolic activity. Cervical insufficiency occurs in one-two pregnancies out of 100. Experts estimate that it accounts for 20-25% of all miscarriages and preterm births in the second and third trimesters.
This condition is most often diagnosed in the second trimester.

Causes of cervical insufficiency

  • genetically conditioned weak cervix,
  • excessively stretched or severely cracked neck during previous births,
  • extensive biopsy to detect cervical cancer,
  • cervical laser treatment,
  • surgery on the cervix,
  • injuries after gynecological procedures: uterine curettage, manual placenta extraction, cervical amputation, tick surgery,
  • carrying more than one fetus: most often it is not a problem in subsequent single pregnancies.


The most important thing is protection of pregnancy and the developing fetus. Therefore, if you have a miscarriage, you should inform your doctor. Cervical failure a common problem for women who miscarried in the second trimester.

The doctor can put on circular suture on the vaginal part of the cervix (this procedure is performed between 12 and 22 weeks of pregnancy). Doctors apply a suture when an ultrasound or medical examination confirms cervical shortening or dilation. The procedure is performed through the vagina after applying local anesthesia.

A circular suture on the vaginal part usually excludes intercourse until the end of pregnancy. 12 hours after surgery, the patient can usually return to normal functioning.

When can the seams be removed?

The stitches can be removed a few weeks before the planned date of delivery. However, your doctor may decide to leave them until labor begins. The reason for the earlier removal of the suture is infection, genital bleeding or premature rupture of the membranes.

What symptoms should bother you?

If they appear:

  • pressure in the lower abdomen, feeling like the baby is about to fall out,
  • bloody vaginal discharge or increased vaginal discharge
  • increased frequency of urination
  • feeling like you have something in your vagina.

If you notice any of the above symptoms, see a doctor. However, beware: opening and shortening the cervix can be painless, so take good care during pregnancy so that you can react quickly if you have problems.

How to detect cervical insufficiency?

Primarily make sure you choose a good doctor. If you are afraid of this problem, demand a gynecological chair examination at every visit (if the doctor does not examine pregnant women at each visit) and more frequent ultrasound.

"A healthy pregnancy. Guide of a loving mother "Lek. med. Michael F. Roizen, MD Mehmet C. Oz med.
"In anticipation of the child. The best guide for future mothers and fathers ”Heidi Murkoff


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