What Does Dilated Pregnancy Mean

What Does Dilated Pregnancy Mean?

During pregnancy, a woman’s cervix may become dilated (open) as her body prepares for childbirth. Cervical dilation is the process by which the mouth of the uterus gradually opens during labor. Though dilation doesn’t always happen at the same time and rate for every woman, it is an indication that labor is close.

What Causes Cervical Dilation?

Cervical dilation is caused by the pressure of your baby’s head on the cervix. As your body prepares for labor, hormones such as hormones oxytocin help to soften (ripen) the cervix and trigger dilation.

How is Cervical Dilation Assessed?

Your doctor will assess the degree of cervical dilation by performing a pelvic exam. During the exam, the doctor will measure the distance between the top of the cervix and the walls of the vagina.

  • If the cervix is not dilated or effaced: You may still be pregnant. Unless your health care provider advises you to induce labor, you may relax and wait for labor to start.
  • If the cervix is between 1 and 2 cm dilated: You may be in the early stages of labor.
  • If the cervix is between 2 and 4 cm dilated: Labor is likely to begin within a day.
  • If the cervix is more than 4 cm dilated: You are in the active stage of labor.

When Should I Seek Immediate Medical Attention?

If you experience any of the following symptoms during pregnancy, contact your doctor immediately for an evaluation:

  • Vaginal bleeding
  • Low back pain that lasts for more than 48 hours and is accompanied by fever and chills
  • Regular and painful contractions
  • Decreased activity of the baby
  • A sudden gush of watery fluid

Dilation of the cervix is a sign of impending labor, and it is important to monitor any changes to your body during pregnancy. Regular checkups with your doctor and remaining vigilant to changes in your body will ensure that you and your baby stay healthy during pregnancy and childbirth.

What Is Dilated Pregnancy?

Dilated pregnancy is a medical term that describes the widening of the cervix that occurs during labor. During labor, uterine contractions cause the cervix to relax and open wider to prepare for delivery. The widening of the cervix is referred to as dilation.

What Is The Cervix?

The cervix is the lower, narrow end of the uterus that connects to the vagina. During labor, the uterus contracts, allowing the cervix to soften, thin and open. This process is called dilation and effacement. The cervix can dilate up to 10 centimeters before delivery.

What Are The Stages Of Dilated Pregnancy?

The stages of dilation are as follows:

  • 1 to 4 cm: This is considered the first stage of labor. During this stage, the mother may not experience any strong contractions yet.
  • 4 to 7 cm: The second stage of labor is characterized by stronger, more frequent contractions.
  • 7 to 10 cm: During this stage, the cervix is fully dilated. The mother is usually ready to push at this point.

What Are The Signs & Symptoms Of Dilated Pregnancy?

The signs and symptoms of dilation include:

  • Vaginal discharge: This is the most common sign of dilation, and can mean that labor is close.
  • Contractions: Uterine contractions may become more frequent and intense and can also mean labor is close.
  • Pressure in the pelvis: This sensation can mean the baby is getting ready to descend and may be pushing against the cervix.

Does Dilation Mean Birth Is Imminent?

Not necessarily. Labor can start before the cervix has fully dilated, and can sometimes continue for some time after full dilation. In these cases, it is important to talk to your healthcare provider to get an accurate estimate of when delivery is likely.


Dilated pregnancy is a natural process that occurs during labor. The cervix may dilate up to 10 centimeters before delivery. Many pregnant women experience vaginal discharge and contractions as signs of dilation. Although dilation usually indicates labor is close, it does not automatically mean birth is imminent.

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