Can a pregnancy test give a false negative?

A false negative pregnancy test is when you are pregnant but the test comes up negative. The most common reason for a false negative is that you took the test too early. 1 Even if your period is late according to your typical cycle, you might have ovulated later in the month. Diluting the urine can spread out the presence of hCG and make it too low for the test to read, giving you a false reading. Conversely, if your hCG levels are too high, your pregnancy test can also return a false-negative. This is called a “hook effect.”



How common are false negative pregnancy tests?

Home pregnancy tests are usually accurate, but researchers estimate that up to 5% of tests give a false negative — meaning the test says you aren’t pregnant when you actually are. There are a few reasons why you might get a false negative. You might be taking the test too early or after drinking too much water.

Why do I feel pregnant but the test is negative?

If you feel pregnant but had a negative test result, you may have experienced a very early miscarriage (also known as a chemical pregnancy). This occurs when there is a problem with the fertilized egg, most commonly a chromosomal disorder that makes the pregnancy non-viable.

What happens if you take a false positive pregnancy test?

False positive tests tell you that you’re pregnant when you are not. Taking the test early gives a false negative result. In that case, you get a negative test despite being pregnant in reality.

What does it mean when a pregnancy test is negative?

A false negative pregnancy test is when you are pregnant but the test comes up negative. The most common reason for a false negative is that you took the test too early. 1 Even if your period is late according to your typical cycle, you might have ovulated later in the month.

Can a pregnancy test be wrong?

Yes, pregnancy tests are wrong often. Home kits are not accurate like a blood test. False positive tests tell you that you’re pregnant when you are not. Taking the test early gives a false negative result.

Can you have a positive pregnancy test and still be pregnant?

Because of this, you might get a false negative, which is why it’s always a good idea to repeat the test in a few days. Although it’s painful to think about, positive results can continue to occur after losing the pregnancy. Some women might be trying to become pregnant again after they have lost their pregnancy.

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