Your favorite music community. 1  Drake. 2  Beyonce. 3  Meghan Trainor.  Justin 1  Bieber. Rihanna.  Justin 1  Timberlake. Soundtracks.
There are two basic types of DNA testing that can be done before delivery. These include amniocentesis and CVS, or Chorionic Villus Sampling. An amniocentesis is generally performed during the second trimester of pregnancy. Typically, it would take place between the 14th and the 20th week of pregnancy.
Tests to detect sickle cell genes before birth. Sickle cell disease can be diagnosed in an unborn baby by sampling some of the fluid surrounding the baby in the mother's womb (amniotic fluid) to look for the sickle cell gene.ests to detect sickle cell genes before birth. Sickle cell disease can be diagnosed in an unborn baby by sampling some of the fluid surrounding the baby in the mother's womb (amniotic fluid) to look for the sickle cell gene.