Hi, I’m 16 weeks pregnant with my second child. My 12 week scan went okay but in my eyes the NT measurement was 2.4mm and to me looks big. My screen results for edwards syndrome were 1:290. This is low risk however I can’t shake the feeling there’s something wrong. I paid for the Harmony test but it’s come back as not being able to get a result from low fetal DNA. I’ve been Googling and found that an inconclusive result can sometimes mean T13 or T18. I also have low pap-a and don’t know if that’s had an impact on my results. Any advice needed as I’m worried sick.