Pregnancy blood tests are over 99% accurate at detecting hCG, a hormone that rises after conception. False negatives can occur if the test is taken too early, so timing is important. Blood tests can ...

Pregnancy symptoms can often resemble premenstrual syndrome (PMS) symptoms. For instance, both conditions can cause mood ...

Many home pregnancy tests claim to be 99% accurate when testing is done on the day of an expected period. However, these estimates are based on laboratory testing of urine samples done by trained ...