How do pregnancy tests work?

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Registered: 07-05-2005
How do pregnancy tests work?
Tue, 07-20-2010 - 9:55am

Ever wonder how pregnancy tests work?

There are several varieties of pregnancy tests -- some are done using urine and some, blood. Pregnancy tests can be performed at home or can be done in a lab. All of the commercially available tests detect human chorionic gonadotropin or hCG, a "glycoprotein."

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