She is 32 Yes go for NIPT test ,,, better to have clear picture now than to feel sorry later ,,,

Yes. It's costly. You can wait and do triple marker in second trimester

Cell free fetal dna test  is 99 percent accurate   should not be used as a final diagnosis for positive cases discuss with genetic expert and decide

Hello U have what is called intermediate risk 1:251-1:1000 is intermediate risk So for further confirmation yr doctor have u a test that has higher detection rate for t21 It's 99% sensitive to detect! So if u anxious enough to know yr child status about down, u can go But no point in doing triple/quadraple They are all screening test with even lower sensitivity than  combined test( NT + DUAL MARKER)

Yes it is expensive