When is the Best Time to Get a 3D Ultrasound?  

Pregnant women can get a 3D ultrasound anytime, either in addition to or instead of a traditional, two-dimensional ultrasound. Medical professionals may prefer conducting them between approximately 24 and 34 weeks. During this time, the baby will be developed enough to view him properly. There’s also less risk that fluid or positioning in the pelvis will block results.

3D vs 4D Ultrasound: What’s the Difference? 

What is a 4D ultrasound? While 3D ultrasounds produce clear visuals of your baby, 4D ultrasounds take it one step further by capturing video. You’ll get an image of your baby with live action movement, so you can see what she’s doing right at that very second—smiling, smirking, thumb-sucking—minus the short time delay of traditional ultrasounds.