I had my NT scan and bloodwork done at 11 weeks and then the next round of bloodwork done at 15 weeks. The measurements on the NT scan were 1.5. The nurse called yesterday to give me the results of all of the tests and said everything was normal and perfect but the DS test seems like it puts me in the high risk category.it is 1:365. I am 33 now, 34 when I will have the baby so the age factor puts me at 1:400 chance of DS. I would assume that age and normal NT measurements would lower my risk significantly so there must have been something with the bloodwork to make my risks higher. I read somewhere that if your risk comes back higher than your age alone risk factor that is considered high risk. I am going to call the doctor tomorrow to get a better explanation, but was wondering if anyone had results like this.