After an abortion or miscarriage a home pregnancy test may produce a false positive result since the levels of hcg in the body may still be relatively high.
False positive pregnancy blood test results.
It may cause a false positive reading on an at home pregnancy test particularly if the test is taken too early.
There is another cause of false positive hcg test results that is unique to blood samples.
It takes at least seven days after fertilization for the test to become positive.
Taking a home urine pregnancy test.
If there s a false positive test result the test indicates that a woman is pregnant when in fact she isn t.
Wrong results with blood pregnancy tests a blood test might not detect human chorionic gonadotropin hcg even when a woman is pregnant if the test is done too early.
Molecules made by our immune system that identify and neutralize invaders such as bacteria and viruses.
Most over the counter pregnancy tests measure the levels of hcg in a woman s urine.
It s also possible to get a false positive result if your body produces certain types.
But they can cause the body to start producing hcg which could get picked up on a pregnancy test and cause a false positive reading.
A false positive test result a positive human chorionic gonadotropin hcg test result when you are not pregnant can occur for a variety of reasons.
Though very rare a false positive blood test happens with a low positive blood pregnancy test the urine test is negative and there is no pregnancy.
Chemical pregnancies are common and often occur for no reason.
Human blood normally contains many different types of antibodies.
A phantom hcg causes a positive blood pregnancy test without being pregnant.
As with urine home pregnancy tests it is possible to end up with false results both negative and positive from a blood pregnancy test.
Other medications can also cause false positive pregnancy tests.
