Pregnancy Tests | 合法醫療器材資訊網

2021年1月26日—PregnancytestsworkbyreactingtotheamountofhCGineitheryoururineorblood.Inaurinetest,apieceofreactivepaperdetectsthe ...

When you take a pregnancy test, it’s looking for the amount of human chorionic gonadotropin (HCG) in your body. You can find HCG in your pee or blood. HCG needs time to build up in your body. Each day of early pregnancy, your body will create more HCG. As the weeks go on, you’ll have more and more HCG in your body, which will make it more likely that a pregnancy test will show as positive. This means if you take a test too soon, it will come back negative.

Pregnancy tests work by reacting to the amount of HCG in either your pee or blood. In a urine test, a piece of reactive paper detects the HCG. This test might show a plus sign, double vertical lines or even the word “pregnant.” Differ...