Answer:Pregnancy tests work by checking your urine (pee) for a hormone called human chorionic gonadotropin (HCG). Your body only makes this hormone if you're pregnant. HCG is released when a fertilized egg attaches to the lining of your uterus — when pregnancy begins.
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Answer:
A pregnancy test is to see if you're pregnant and to use it you have to be on the stick and wait a few minutes and if you're pregnant then 2 lines will show and if you're not then 1 line will show
