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What is 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? and explain in detail?
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