This test is performed in a pregnant woman in 1st trimester (9th to 13th week of pregnancy). It helps in screening for certain genetic disorders in a baby. The genetic disorders it screens for are
This test is carried out in all women nowadays, but certain women are at greater risk of having baby with these defects, including
The test result of hCG is normal, if levels of hCG are 4060-165400 mIUg/mL. It means
The levels of hCG are low, if it is below 4000 mIU/mL. It means
The levels of hCG are high, if it is above 16500 ng/mL. It means
PAPP-A increases rapidly about 32 days after ovulation and then gradually drops down.
High levels of PAPP-A indicate Down’s syndrome.
Low levels of PAPP-A indicate Edward’s syndrome.
Very low levels (below 0.4MoM) indicate adverse obstetrical outcomes.