A false-negative pregnancy test may happen if you don't take the test first thing in the morning. It could also occur if you take the test less than 10 days after conception. Checking the results too ...

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 ...

At first, the amount of hCG in a pregnant person's urine increases at a rapid rate of about 50% each day. So if you take the test early, accuracy is impossible. “Early” Home Pregnancy Tests Might Not ...

Pregnancy-like symptoms can occur due to hormonal imbalance, stress or conditions like PCOS—even with a negative test. Experts explain why.