By Editor , 29 October 2026 2D vs. 3D vs. 4D Ultrasound: What Each Shows During Pregnancy DENISON, Texas – October 28, 2026 -- Expectant parents can learn what to expect from a 2D, 3D or 4D ultrasound before their appointment, according to a new HelloNation article featuring Erika Lambright of Prenatal Imaging Experts in Denison, Texas.