Thick Nuchal fold 20 weeks

Just looking for some reassurance really ! spent the last 4 weeks googling and obsessing over a thickened Nuchal fold at our 20 week scan. It was measuring 7.5 mm so we got sent to fetal medicine the next day and she took 3 different measurements it was still thick she got 6.1/7.5 and then 8.5 🙄 and settled on 8.5 which is annoying. Anyways everything else looked perfect and he is measuring on the 99th centile so possibly going to be a large baby. They offered amino but I declined because the outcome won’t affect our decision and I wouldn’t forgive myself if something happened to him because of a test. Anyway fast forward 4 weeks we had another ultrasound everything still looks great , his still measuring on the 99th centile and NF is still 8.5 and no other markers or abnormalities found, I might do amino at 34 weeks as risk is early labour. We have been told about a NIPT but they won’t do it on NHS for us and its £500 privately which we cannot afford. just looking for reassuring stories, Google always looks so grim with statistics when you Google .I also forgot to add at 12 weeks it was 1.9mm and I was given a 1 in 10,000 chance of Down syndrome and the other trisomies.