Gosh what a stress . Personally I find 1:350 good odds!

If you think about your class at school, probably 25 people, then that is 14 classrooms full of pregnant women with those odds and on average only one would have a child with downs. Another way to think of it is the odds of running into a random stranger who shares your birthday. Sometimes we find it hard to wrap our minds around odds when they are presented as numbers.

I can understand why the Ob has caused you stress, and why those procedures would cause anxiety too. I don't know the answer for you but hoping for the best. I hope no one judges you if you decide you would terminate based on a CVS or Amnio finding.