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WikiDoc Resources for Effacement


Most recent articles on Effacement

Most cited articles on Effacement

Review articles on Effacement

Articles on Effacement in N Eng J Med, Lancet, BMJ


Powerpoint slides on Effacement

Images of Effacement

Photos of Effacement

Podcasts & MP3s on Effacement

Videos on Effacement

Evidence Based Medicine

Cochrane Collaboration on Effacement

Bandolier on Effacement

TRIP on Effacement

Clinical Trials

Ongoing Trials on Effacement at Clinical Trials.gov

Trial results on Effacement

Clinical Trials on Effacement at Google

Guidelines / Policies / Govt

US National Guidelines Clearinghouse on Effacement

NICE Guidance on Effacement


FDA on Effacement

CDC on Effacement


Books on Effacement


Effacement in the news

Be alerted to news on Effacement

News trends on Effacement


Blogs on Effacement


Definitions of Effacement

Patient Resources / Community

Patient resources on Effacement

Discussion groups on Effacement

Patient Handouts on Effacement

Directions to Hospitals Treating Effacement

Risk calculators and risk factors for Effacement

Healthcare Provider Resources

Symptoms of Effacement

Causes & Risk Factors for Effacement

Diagnostic studies for Effacement

Treatment of Effacement

Continuing Medical Education (CME)

CME Programs on Effacement


Effacement en Espanol

Effacement en Francais


Effacement in the Marketplace

Patents on Effacement

Experimental / Informatics

List of terms related to Effacement

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]


Effacement is the shortening, or thinning, of the cervix before or during early labour. Prior to effacement, the cervix is like a long bottleneck, usually about four centimeters in length. Throughout pregnancy, the cervix is tightly closed and protected by a plug of mucus. When the cervix effaces, the mucus plug is loosened and passes out of the vagina. The mucus may be tinged with blood and the passage of the mucus plug is called bloody show (or simply "show").

As effacement takes place, the cervix then shortens, or effaces, pulling up into the uterus and becoming part of the lower uterine wall. Effacement may be measured in percentages, from zero percent (not effaced at all) to 100 percent, which indicates a paper-thin cervix. Effacement is followed by cervical dilation.

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