HCG in urine

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Female urinary tract

HCG in urine

Definition:

This is a test to detect beta-HCG (a hormone normally produced during pregnancy) in urine.

Alternative Names:

Beta-HCG - urine

How the test is performed:

A urine sample is obtained. Urinate in the normal manner, but collect a sample in a container. Usually a first-morning sample (the first time the person urinates in the morning) is preferred, because it is the most concentrated.

Home pregnancy tests require the test strip to be dipped into the urine or passed through the urine stream while urinating. Carefully follow package directions.

How to prepare for the test:

No special preparation is needed. The first morning urine sample is often recommended.

How the test will feel:

Urinate in the normal manner, but collect a sample (or dip the test strip in the urine stream) as directed.

Why the test is performed:

Urine HCG tests are a common method of determining if a woman is pregnant. A home pregnancy test usually uses this method.

HCG is detectable in the blood or urine 1 to 2 days after implantation of the fertilized egg (that is, 10 days after ovulation). In practical terms, the best time to test for pregnancy at home is 7 to 10 days after you would have normally menstruated.

Review Date: 11/30/2004
Reviewed By: Jacqueline A. Hart, M.D., Internal Medicine, Newton-Wellesley Hospital, Boston, Ma.

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