Q: I’m three months pregnant and me and my boyfriend are getting a DNA test but can I do it while I’m pregnant?
A: A DNA paternity test can be performed accurately before a child is born through amniocentesis and Chorionic Villus Sampling.
Chorionic Villus Sampling is usually performed at very early stages of pregnancy, generally around the 8th to 13th week of pregnancy. During the CVS procedure, a catheter is inserted through the cervix and a small sample is taken from the outside of the gestational sack by gentle suction. This sampling procedure allows the obstetrician to obtain a small amount of fetal chorionic villi (trophoblastic tissue) which is used for the paternity test. Paternity tests conducted using CVS samples are just as accurate as tests which are performed after the child is born.
Amniocentesis are performed at later stages of pregnancy. During an amniocenteses procedure, a small amount of amniotic fluid (10ml) is withdrawn transabdominally by your obstetrician.
Amniotic fluid is also an excellent sample for paternity testing; paternity tests which are performed using amniotic fluid are just as accurate as tests conducted after the child is born.