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Problems With Cervical Mucus

By

Robert W. Rebar

, MD, Western Michigan University Homer Stryker M.D. School of Medicine

Last full review/revision Sep 2020| Content last modified Sep 2020
CLICK HERE FOR THE PROFESSIONAL VERSION

If cervical mucus is abnormal, it may prevent sperm from entering the uterus or may promote the destruction of sperm.

Cervical mucus Uterus and cervix is secreted by glands in the cervix (the lower part of the uterus that opens into the vagina). Normally, this mucus is thick and impenetrable to sperm until just before release of an egg (ovulation). Then, just before ovulation, the mucus becomes clear and elastic (because the level of the hormone estrogen increases). As a result, sperm can move through the mucus into the uterus to the fallopian tubes, where fertilization can take place.

Abnormal mucus may do the following:

However, problems with cervical mucus rarely impair fertility significantly, except in women who have chronic cervicitis or a cervix that has been narrowed (called cervical stenosis Cervical Stenosis Cervical stenosis is narrowing of the passageway through the cervix (the lower part of the uterus). Cervical stenosis often causes no symptoms. Rarely, the uterus fills with blood or pus. The... read more ) by treatment for a precancerous abnormality of the cervix ( cervical dysplasia Cervical Cancer Cervical Cancer ).

Did You Know...

  • Just before an egg is released (ovulation), mucus in the cervix changes consistency to allow sperm to enter the uterus.

Diagnosis of Cervical Mucus Problems

Treatment of Cervical Mucus Problems

NOTE: This is the Consumer Version. DOCTORS: CLICK HERE FOR THE PROFESSIONAL VERSION
CLICK HERE FOR THE PROFESSIONAL VERSION
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