Pregnancy Development Stages

Pregnancy is divided into three distinct stages: the first trimester, second trimester, and third trimester. Vital fetal growth and development happens in each of them, and your body also changes along the way. Check out our guide on pregnancy stages to learn about ultrasounds, important prenatal tests, fetal development, health concerns, about more.

Most Recent

What to Expect: Ultrasound Costs
Ultrasounds are common for most people during pregnancy, but they can be expensive. Here's what you need to know about ultrasound costs, insurance coverage, and affordable options.
An Embroidered Ultrasound Helped This Blind Dad-to-Be to 'See' His Baby on the Way
Dad-to-be Nathan Edge is completely blind and couldn't see his pregnant girlfriend's 12-week sonogram—so she surprised him with an embroidered version he could feel.
Quickening in Pregnancy: Feeling the First Fetal Kicks
Many moms-to-be wonder when they'll feel fetal movements for the first time. Here's your guide to understanding "quickening" during pregnancy.
What Is NIPT, or Noninvasive Prenatal Testing?
From details about the procedure to who should get it, here's everything you need to know about NIPT, or noninvasive prenatal testing.
Your Growing Baby Bump: Month by Month
By the end of your pregnancy, your baby will be the size of a watermelon. See how your little one's growth affects your bump during each month of gestation.
Pregnancy Confidential Podcast Week 39: Let's Get This Show on the Road!
Find out what's going on in week 39 of your pregnancy on this podcast episode of Pregnancy Confidential.
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Ultrasounds

Pregnancy Ultrasounds Week by Week
As it turns out, most women only need a couple of ultrasounds during pregnancy. Read on to learn more about these important prenatal scans.
First Trimester Ultrasound Pictures
Do you know what to expect at your first trimester ultrasound? We've partnered with the American Institute of Ultrasound Medicine (AIUM), Johns Hopkins, and the March of Dimes to create this unique peak into Baby's development inside the womb during the first few weeks of life. 

Pregnancy Trimester Guides

What to Expect in the First Trimester

For most women, the initial weeks of pregnancy are the most consuming because everything is new, exciting, and a bit overwhelming. Consider this your manual for understanding the first trimester.