A member asked:

How are antibodies linked to a color change that a woman can see on a positive pregnancy test?

A doctor has provided 1 answer

Test for hcg: The urine pregnancy test has antibodies to HCG which detects its presence. The presence of HCG is a marker for pregnancy. It produces a color change via a chemical reaction

Answered 10/30/2015

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Taking antibiotics, make your pregnancy test come up negative?

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