Pregnancy tests are an essential tool for women who are trying to conceive or avoid pregnancy. They allow women to test for pregnancy in the privacy of their own homes, and they are generally very accurate. There are a variety of pregnancy tests available, including urine tests, blood tests, and saliva tests.
Urine tests are the most common type of pregnancy test. They are available over-the-counter at most pharmacies and grocery stores. Urine tests work by detecting the presence of human chorionic gonadotropin (hCG) in the urine. hCG is a hormone that is produced by the placenta during pregnancy.