hello4dWhat is 2D, 3D and 4D? 2D is the standard black and white ultrasound. This type of ultrasound is recommended for babies that are 20 weeks and younger. 2D is the preferred type of imagingHello Baby 3D4D Ultrasound & Retail Boutique, Lake City, Florida. 6,944 likes · 123 talking about this · 2,197 were here. 4D Ultrasound Studio + retail boutique - Lake City, FL