Effacement and Dilation Understand Your Body and Baby

Effacement and Dilation Understand Your Body and Baby

As labor nears, your cervix will begin to thin or stretch efface and open dilate to get ready for the passage of the baby through the birth canal vagina. Exactly how quickly the cervix thins as well as opens differs from female to female. In various females, the cervix can efface and dilate gradually over a period of weeks. A first- time mother usually will not dilate unless active labor begins.

Effacement: Ripening of the cervix

One of the first

signs of labor is your cervix softening and thinning, or effacing. You will not really feel this preparation for labor happening. Instead, your doctor is likely to check for signs of cervical change with vaginal tests.

Effacement is usually expressed in percentages. When you are 50 percent effaced, your cervix is half its initial thickness. Your cervix needs to be 100 percent effaced, or completely thinned out, well before a vaginal delivery.

Dilation: Opening of the cervix

An additional of the early signs of labor is your cervix starting to open, or dilate. Your doctor will measure the dilation in centimeters from zero to 10.

To begin with, these cervical changes might be slow. Actually, several women are dilated 2 – 3 centimeters for days and in many cases weeks well before labor actually begins. Your progress isn’t a good indicator of when labor will begin, but rather a general sign that you are preparing for labor. Once you are in active labor, expect to dilate more quickly.

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