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If an h CG test comes back negative, that generally means you’re not pregnant.
However, if the test was performed too early in the pregnancy, before your body has had time to produce enough h CG, you can get a false negative.
The human chorionic gonadotropin (h CG) blood test measures the level of h CG hormone present in a sample of your blood.h CG is produced during pregnancy.
Your doctor may refer to the h CG blood test by another name, such as the: There are important differences between h CG blood tests and the h CG urine tests that you can purchase over the counter.
Urine tests can be influenced by factors such as dehydration and the time of day that you test, while an h CG blood test can provide conclusive results even in cases where h CG levels are quite low.