Indicate the true statements concerning the double test in prenatal diagnostics:
1) it is performed between 11 and 14 week of gestation;
2) it assesses 2 biochemical markers in the blood of the pregnant woman;
3) in the case of a fetus with Down syndrome the concentration of free beta hCG subunit is decreased;
4) in the case of a fetus with Down syndrome the concentration of PAPP-A is decreased;
5) in the case of a fetus with Edwards syndrome the concentration of free beta hCG subunit is decreased.
The correct answer is:
Dział: Ginekologia i położnictwo
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