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.
Amniocentesis and chorionic villus sampling (CVS) are genetic tests that can be used earlier to find out the sex of your baby. You can use these tests starting late in the first trimester and throughout the pregnancy for various reasons.