I had Verifi done along with the NT scan. Verifi is just like MaterniT21. Results took 6 days. I had the blood draw done same day as the NT scan and got my normal NT scan results immediately so the wait for Verifi wasn't too stressful on me as I was already reassured with the good scan measurement. My results came back normal and found out we're having another boy. This test is 99% accurate I'm told so getting these results really eased my mind. And to me, it's much less nerve wracking then getting the standard blood test and NT scan where you get a 1 in ........ chance. That just makes me paranoid.