Blood Tests
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✓ Combined screening for chromosomal done between 11-14 weeks (detection rate of >90%)
✓ Triple test/Qudaruple test- done between 15-21 weeks (detection rate of 80%).
✓ NIPT (Non-invasive prenatal testing): Free fetal DNA can be extracted from maternal blood test.As early as by 11 weeks it is possible to diagnose Downs syndrome/other chromosomal anomalies with > 99% detection rate. In future it would be possible to diagnose genetic disorders as well.
✓ Parental Karyotyping, other genetic tests.