Am I crazy?

Ke

I feel like something might go wrong with this baby. I have one perfect girl and had a miscarriage before and after. I had a double than normal NT screening at 11 weeks. (4.3) went down to 2.6 by 13 weeks and CVS test came back chromosomal normal. However I feel like I might go early and she’ll be born premature, have autism, or some other kind of defect. I just have the strangest gut feeling 😢 is this normal?