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Female reproductive anatomy
Female reproductive anatomy


Culdocentesis
Culdocentesis


Cervix needle sample
Cervix needle sample


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, you will have a pelvic examination. Then, the health care provider will grasp the cervix with an instrument and lift it slightly.

A long, thin needle is inserted through the wall of the vagina (just below the uterus). A sample is taken of any fluid found in the space. The needle is pulled out.



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:

You may have 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 you have pain in the lower abdomen and pelvis, and other tests suggest there is fluid in the cul-de-sac. This test may also be done when the doctor suspects a ruptured ectopic pregnancy or ovarian cyst .

The test is rarely done today because an ultrasound can usually detect fluid in the cul-de-sac.



Normal Values:

No fluid in the cul-de-sac, or a very small amount of clear fluid, is normal.



What abnormal results mean:

Even when no fluid is found, it may be present, and you may need other tests. If fluid is drawn, it is cultured to see if you have an infection. If nonclotting blood is found in the cul-de-sac, you may need emergency surgery.



What the risks are:

There is a slight risk of puncturing any growth, cyst , or ectopic pregnancy that exists. The needle should not be inserted too far or hard enough to go through the uterine wall.



Special considerations:

You may need someone to take you home if you were given a sedative.




Review Date: 2/19/2008
Reviewed By: Peter Chen, MD, Department of Obstetrics & Gynecology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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