Mine didn't that y I have to see specialist :(
I did mines at 16 weeks got back my results in a week and everything came back negative
I had my test done at 11weeks 5 days. Everything came back normal thank god
We did with both ag 12 weeks
I had mine at 15 weeks wel came back that at risk for my baby having Down syndrome so scary but I did do another test and I see specialist June 1
i had mines at 18-20weeks all depens on your doctor
I did it with my last baby I believe you have to be at least 10 weeks for them to be able to do it