A pregnancy exam is a crucial tool for individuals wanting to confirm a possible pregnancy. These tests work by detecting the existence of your hormone human chorionic gonadotropin (hCG) in urine or blood, which happens to be made by the placenta Soon once the embryo attaches to your uterine lining. https://pregnancy-test04704.wikinewspaper.com/3142294/understanding_pregnancy_assessments_an_extensive_manual