A pregnancy exam is a crucial tool for individuals seeking to substantiate a probable pregnancy. These assessments get the job done by detecting the existence on the hormone human chorionic gonadotropin (hCG) in urine or blood, that's produced by the placenta shortly after the embryo attaches towards the uterine lining. https://pregnancy-test94938.wikirecognition.com/848921/understanding_pregnancy_exams_an_extensive_guideline