Blood tests confirm pregnancy by checking for the presence of the hormone human chorionic gonadotropin (hCG), which increases exponentially after conception. That said, there's still some things ...

If an at-home pregnancy test is positive, "the majority of people don't need a blood pregnancy test to confirm they are pregnant. And in fact, our[doctors'] urine tests are exactly the same as the ...

we identified 10 protein biomarkers, or ‘fingerprints’ in the blood, that can be found using our test, in women and girls with endometriosis. The blood test, called PromarkerEndo, could ...