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Cervical Changes ... Dilation and effacement work together to open the cervix to allow the baby to drop into the vagina. During pregnancy the cervix lengthens and thickens to protect the baby. During labor, the cervix softens and shortens to allow the baby to pass through.
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www.birthingnaturally.net/birth/progress/exam.html
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Cerival Effacement and Dilation ... Illustration of Cervical Effacement ... Cervical effacement (thinning measured as 0 to 100 percent)
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www.babies.sutterhealth.org/laboranddelivery/labor/ld_s...
www.babies.sutterhealth.org/laboranddelivery/labor/ld_stages.html
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Effacement is the process by which the cervix prepares for delivery. After the baby has engaged in the pelvis, it gradually drops closer to the cervix; the cervix gradually softens, shortens and becomes thinner. You may hear phrases like "ripens," or "cervical thinning" which refer to effacement.
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www.americanpregnancy.org/labornbirth/effacement.html
www.americanpregnancy.org/labornbirth/effacement.html
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Normal Vaginal Birth with Cervical Effacement and Dilatation. This medical animation shows a time lapse view of labor and delivery during normal vaginal birth. Also shown in detail is dilatation (dilation/dilating) and effacement (thinning) of the cervix occurring prior to birth. ... If animation does not play,
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catalog.nucleusinc.com/generateexhibit.php?ID=16145
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By the end of this phase, effacement is usually 100 percent. The cervix during the active phase; Generally, when the cervix has dilated 4 to 5 centimeters, a woman is considered to be in active labor, and faster progress in terms of cervical dilation is typically made for each hour of contractions.
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www.drspock.com/article/0,1510,6234,00.html
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Ask Dr. Greenfield; Effacement & Dilation: What Do They Mean? ... When there has been rapid cervical change between two visits--like the cervix goes from one to three centimeters dilated or from 0 to 80 percent effaced, it usually means labor will start within a week--but not always.
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www.drspock.com/faq/0,1511,3528,00.html
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See a picture of cervical effacement . ... Effacement is described as a percentage. For example, if your cervix is not effaced at all, it is 0% effaced. If the cervix has completely thinned, it is 100% effaced. ... Home >> Diseases & Conditions >> A-Z Health Library >> Cervical Effacement and Dilatation...
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www.health.com/health/library/topic/0,,zx3441_zx3442,00...
www.health.com/health/library/topic/0,,zx3441_zx3442,00.html
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Effacement: This is how thin your cervix is. If you think of your cervix as funnel-like, and measuring about 2 inches, you will see that 50% effaced means that your cervix is now about 1 inch in length. As the cervix softens and dilates the length decreases as well.
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pregnancy.about.com/cs/interventions/a/vaginalexam.htm
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It is characterized by cervical effacement and/or dilatation and increased uterine irritability before 37 weeks of gestation. Women with a history of preterm labor are at greatest risk.
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www.aafp.org/afp/990201ap/593.html
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