We had the NT scan done with both of our children - I actually didn't realise I had a choice until after we had it done with the 1st one! I went to an obstetrician and he does them routinely for all of his patients, regardless of age. I guess I could've refused if I wanted to, but I was really eager to see our bubs both times and at least make sure everything was going along as it should be as my first pregnancy resulted in an early miscarriage (so I was a little nervous both times!). At least if we'd seen bub, knew he/she had a heartbeat and was growing well, I could relax a little.

First bub risk was about 1:17,000 which was a great result (I was 26)
Second bub risk was about 1:4500 which again was a great result, however at our 19 week morphology scan a soft marker for down syndrome was picked up anyway. We were given the option of amnio but decided to just continue on and let whatever will be, be.......long story short he does not have down syndrome.

While I feel its good to be able to see our bubs on ultrasounds and I will always choose to have the NT scan, they can also cause a lot of worry and stress if any "high risk" factors are detected.