Down ’s Syndrome Screening in the First Trimester with Additional Serum Markers: Indian Parameters

ConclusionFirst-trimester screening using four serum markers only can be carried out in India. Performance is expected to be similar to the second-trimester Quad test and will also facilitate early screening for preeclampsia and open spina bifida. A protocol of NT plus the four serum markers enhances the performance compared with NT, PAPP-A and free β-hCG.
Source: The Journal of Obstetrics and Gynecology of India - Category: OBGYN Source Type: research