Culdocentesis

Injury	Disease	Nutrition	Poison

Symptoms	Surgery	Test	Special Topic

Female reproductive anatomy

Culdocentesis

Definition:

Culdocentesis is a procedure that checks for abnormal fluid in the space just behind the vagina (cul-de-sac).

How the test is performed:

First, a pelvic examination is done. Then, the cervix is grasped with an instrument and lifted slightly. A long, thin needle is inserted through the vaginal wall (just below the uterus). A sample is taken of any fluid found in the space, and the needle is then withdrawn.

How to prepare for the test:

You may be asked to walk or sit for a short time before the test is done.

How the test will feel:

There may be an uncomfortable, cramping feeling when the cervix is grasped. There is a sharp, brief pain as the needle is inserted.

Why the test is performed:

This procedure is done when pain occurs in the lower abdomen and pelvic regions, and other tests suggest that fluid may be present in the cul-de-sac. This test may be done when a ruptured ectopic pregnancy or ovarian cyst is suspected. The test is now performed infrequently because of the availability and effectiveness of ultrasound examinations to detect fluid in the cul-de-sac.

Review Date: 4/30/2004
Reviewed By: Robert L. Debernardo, M.D., Department of Obstetrics & Gynecology, Massachusetts General Hospital, Boston, MA. Review provided by VeriMed Healthcare Network.

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