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What is the Difference Between 2D/3D/4D Ultrasounds?

pregnant woman holding ultrasound in front of belly

One of the most eagerly awaited moments for any parent-to-be is getting to see their baby for the first time. It used to be that new moms and dads would have to wait until birth to see their baby, but with growing technology over the years, ultrasounds have been able to help expectant parents and doctors get a better look at growing babies.

Most pregnant women in the United States will have at least once ultrasound done during their pregnancy. Why? According to our friends at the March of Dimes, there are many reasons why ultrasounds are done, such as:

  • Confirming pregnancy
  • Checking to see if there’s multiples (twins, triplets, etc.)
  • Determining due date
  • Discovering baby’s sex
  • To check heartbeat, movement and growth
  • Making sure the baby is head down before delivery

But, did you know there are different types of ultrasounds?

2D ultrasound

What is the Difference Between 2D/3D/4D Ultrasounds?

Typically a two-dimensional (or “2D”) ultrasound is a ‘flat’ ultrasound, giving outlines and showing shapes. This is the most commonly used type of ultrasound, generally used to determine pregnancy, measure baby’s growth and heart rate, and it can also be used to view the baby’s internal organs.

what is the difference between 2D 3d 4d ultrasounds


A three-dimensional (or “3D”) ultrasound give a more lifelike appearance to the baby in the womb. 3D ultrasounds allow expectant parents to get a better idea of what their baby looks like, because unlike the flat 2D ultrasounds, 3D ultrasounds give more shape and identity to the baby.

And a four-dimensional (or “4D”) ultrasound is essentially a moving version of a 3D ultrasound, like a video. This is most high definition (HD) ultrasound currently available, and it’s something we are proud to offer in our Clarksville ultrasound studio.

3D ultrasound baby smiling

When should you schedule your ultrasound?

Be sure to check out our FREE ultrasound date determination calendar!

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