Cell-free DNA is DNA that is circulating in the bloodstream, according to Patricia Geraghty, NP.. In a pregnant woman, about 10 to 15 percent of that DNA belongs to the fetus and can be tested. Watch this video to learn more.
Want to have a baby or think you might be pregnant? We've got tips and information to boost your fertility, have a healthy pregnancy and get ready for childbirth. Find out what to ask your doctor about your pregnancy.
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