To their dismay, patients have to pay for the drug tests at their own (or their insurersâ) expense. Carol, a chronic pain patient who had been treated for seven years by the same clinic without any testing, reports that she was billed $325 for a urine screen.
Reviewed by Brunilda Nazario, MD. May 2, 2012 -- Researchers say they've found a way to identify the father of a baby as early as the eighth week of pregnancy. The new method, reported in the New England Journal of Medicine, uses fetal DNA isolated from the mother's blood.
An Introduction to Pregnancy Tests. There are two types of tests used to see if a woman is pregnant: blood and urine tests. Both types look for the presence of a special hormone that is only present when a woman is pregnant. This hormone, human chorionic gonadotropin (hCG), is also called the pregnancy hormone.