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What is A 35-year-old G4P3 at 18 weeks presents with sequential screening( Dual and then triple marker screening) of 1:170 for Down syndrome. You should do which of the following? and explain in detail?
At age 35 should the patient should be offered genetic counseling and Amniocentesis. CVS is not appropriate at 18 weeks' gestation If required; the invasive test of choice here is Amniocentesis.