What is the cervix?
The cervix is the lower part of your uterus (womb). It has an opening that normally stays closed while you're pregnant. When your baby is ready to be born, your cervix will open (dilate) to let your baby out.
What is cervical insufficiency?
Cervical insufficiency is having a weak cervix that opens too early in pregnancy.
If your cervix is weak, you could deliver your baby too early for your baby to survive
To prevent this, doctors may sew your cervix closed or give you a hormone to insert into your vagina (birth canal)
You can't find out if you have a weak cervix until you're pregnant
What causes a weak cervix?
No one knows what causes a weak cervix, but these things can make a weak cervix more likely:
Having your cervix injured during a surgical procedure
Getting a deep tear in your cervix when you delivered a baby
Being born with a birth defect in your reproductive organs
Having a short cervix
Having had 3 or more miscarriages later in pregnancy
If you had a baby born early because your cervix was weak, there's a good chance that you'll be able to carry another baby the full 9 months. However, the more times you deliver a baby too early because of a weak cervix, the more likely it'll happen again.
What are the symptoms of a weak cervix?
A weak cervix doesn't cause any symptoms other than having your baby too early. Symptoms of the baby coming too early include:
Pressure in your vagina (birth canal)
Bleeding or spotting
Pain in your belly area or lower back
Discharge (liquid) coming from your vagina
How can my doctor tell if I have a weak cervix?
Your doctor may think you have a weak cervix if:
You've been pregnant before and miscarried in your 2nd trimester
During a regular ultrasound Ultrasonography Ultrasonography is a safe imaging test that uses sound waves to create a moving picture of the insides of your body. Ultrasonography doesn't use radiation (x-rays). Ultrasonography is also called... read more (moving pictures of the insides of your uterus), the doctor sees that your cervix is short
A regular pregnancy exam shows your cervix has started to open early
How do doctors treat a weak cervix?
If doctors think you have a weak cervix, they may sew your cervix closed (called cervical cerclage) to help keep your baby from being born too early. Usually they’ll remove the stitches before you deliver your baby. If your doctor is planning to deliver your baby by cesarean section (C-section Cesarean Delivery (C-Section) A C-section is surgery to deliver your baby through a cut made in your belly and uterus. For a cesarean delivery, an incision is made in the abdomen and into the uterus. This incision is usually... read more ), the stitches may be left in place.
Also, doctors might have you put the female hormone progesterone into your vagina each night This may help keep you from going into labor too early.
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