A double marker or dual marker test is advised to pregnant women to identify any chromosomal irregularities in the fetus.
A Triple marker test is a blood test conducted during pregnancy. It is not a simple diagnostic test, and it also involves
The quad screen — also known as the quadruple marker test, the second trimester screen or simply the quad test The quad screen
NIPT is a prenatal screening, which looks at DNA from your baby's placenta in a sample of your blood to identify whether you’re
Amniocentesis is a prenatal test in which a small amount of amniotic fluid is removed from the sac surrounding the fetus for testing.