A 24-year-old patient presents to OPD at 18 weeks of pregnancy with a previous history of a child with Down syndrome. The most appropriate is
High-Yield Explanation
"Tripple test gives risk ratio and for fuher confirmation amniocenteses has to be done" Tripple test (MSAFP, hCG, UE3) it is performed at 15-18 weeks while amniocenteses in performed at 16 weeks of pregnancy