<prompt> Non-invasive prenatal screening NIPS is paicularly useful in the modern era of diagnosis in clinical genetics. Which of the following statements is not true regarding this test?Useful in screening for aneuploidiesEvaluates maternal blood for abnormalitiesHIgh positive predictive valuePositive test need confirmation by invasive testing  <response>: Non-invasive prenatal screening NIPS has a high negative predictive value. NIPS: Useful in screening high-risk pregnancies for aneuploidies Done after 10 weeks of gestation Evaluates maternal blood for screening Positive tests need confirmation by invasive testing like amniocentesis, Chorionic villous sampling Ref: Ghai essential pediatrics 9th edition Pgno: 643 