3d ultrasound best time: down syndrome 15 weeks BLOG ULTRASOUND 3d ultrasound best time: down syndrome 15 weeks arvindrajput17975 Posted on 2 years ago 3d Ultrasound Best Time: Down Syndrome Ultrasound is a vital part of the prenatal process. It allows... Read More Read more about 3d ultrasound best time: down syndrome 15 weeks