If you are in your first trimester of pregnancy, your gynae should have provide you with the option of doing a screening of either OSCAR or NIPT. OSCAR used a combination of maternal age, fetal NT and serum biochemistry to calculate the risk assessment result while Non-invasive prenatal testing (NIPT) analyze the DNA using blood. Both OSCAR and NIPT provide you with probability risk score, not the diagnosis result. It is important to consider the decision if the result is 'High risk' first before even consider to choose OSCAR or NIPT. Because if the decision is to still proceed with pregnancy even if the result is 'High risk', then there is no point to do any of the test in the first place. Why we choose NIPT over OSCAR? 1) Higher accuracy & lower false positive rate It is critical regard to accuracy of the result because we are making a life and death decision based on the result....