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.
Everything You Need to Know About First Trimester Prenatal Tests
From blood draws to urine tests to ultrasounds, early prenatal testing is often overwhelming for parents-to-be. Read up on the options before your next appointment.
NIPT: A Crash Course in Non-Invasive Prenatal Testing
Here's what you need to know about the noninvasive prenatal genetic screening test that has doctors, researchers, and parents excited.
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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.