An ultrasound, also known as a sonogram, is fetal imaging that is used to see what's going on with your baby and how she is developing inside your body. Here you'll learn all about ultrasounds, discover why they're necessary, what they feel like, and more.

Quiz: Should You Learn Your Baby's Sex?

Trying to figure out if you want to learn the sex of your baby-to-be? It is a tough choice to make! Let our quiz help you and your partner make the best decision possible for your growing family.

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All About Ultrasounds

Your first look at your developing baby!

Ultrasound Accuracy: Is It a Boy or a Girl?

Can you trust that those little lines and bumps on your ultrasound really mean you're having a son or daughter? Get the scoop on how accurate ultrasounds can be in determining your baby's sex!

All About the 20-Week Ultrasound

The mid-pregnancy anatomy scan may be the most eagerly anticipated ultrasound of any you'll get as a parent-to-be. Find out what you'll see when you have yours.

See the Incredible Ultrasound Image of Twins Kissing in Utero

These expectant parents were so surprised when an ultrasound photo captured their twin daughters cuddling and kissing in the womb.

Ultrasound: A Trimester-by-Trimester Guide

Find out what to expect at your first and second trimester ultrasound appointments, what you can learn from those ultrasounds, and why you might need an ultrasound (or a few) in the third trimester.

Ultrasound Measurements: What's Normal?

You'll get some interesting stats about your baby during your ultrasound -- here's what all those measurements mean.

Womb With a View: 4 Things to Know About Ultrasounds

Confused about the differences between 2-D, 3-D, and 4-D ultrasounds? Here's everything you need to know about the ultrasound experience.

Baby's Awesome Ultrasound Shows It's Ready to Rock

This Utah couple's baby just flashed the rock-on sign in its sonogram!

You Won't Believe These Incredible MRI Images of a Developing Baby

This incredibly clear video of a 20-week-old unborn baby is the result of new MRI-enabled images.

18 Wacky Things (Besides Baby!) That You've Seen in Your Ultrasound Photos

Flexing for the ladies, flashing a peace sign, and more: Parents.com readers share some of the surprising things they've seen in their ultrasound images.

What to Expect at Your Ultrasound

You'll get your first glimpse of your baby at this test, but doctors will be ensuring that everything's growing just as it should.

Ultrasound Photo Appears to Show Angel Watching Over Baby

Do you see the angel image in this ultrasound picture?

Sonogram Surprise: "My Wife Is Pregnant With a Sports Car"

Their ultrasound image was sleeker, with better handling, than these parents expected!

Ultrasound: What to Expect

Your first peek at your new baby can also help the doctor check for any signs of trouble.

Are Ultrasounds Safe?

If you're worried about the safety of this common prenatal test and wondering if you should get an ultrasound, our experts can help put you at ease.

Q&A: Keepsake Ultrasounds

The risk that comes with taking keepsake ultrasound photos isn't worth it.

3-D and 4-D Ultrasounds: What You Need to Know

Get the scoop on the latest ultrasound technology -- and whether 3-D or 4-D ultrasounds make sense for you.

This Mom Embroiders the Most Precious Keepsakes From Ultrasound Pictures

And just in time for Mother's Day.