A pregnancy test from the store costs about $3 on average. A blood test that you get from a lab or doctor's office costs an average of $64. You might be able to get a free pregnancy test at a women's ...

You know how to use them, but how exactly do they work? A home pregnancy test detects the presence of the pregnancy hormone, human chorionic gonadotrophin (hCG), in your pee. Your body starts to ...