Genetic Testing Results

Looking for someone that has been through similar... had the genetic testing done at 12-4 .. ultrasound came back with no positive markings for downs .. my blood results just came in and then told me it was positive. That It was 1/100 which is considered high risk. I’m currently 15 weeks exactly ... they are sending me for further bloodwork .... anyone have results like this and further testing showed negative or baby was okay?! ... please also feel free to share if further testing showed positive ... just trying not to stress as it will be 2 more weeks before any further results.