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

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.

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.

Ultrasounds

How Many Ultrasounds Do You Need During Pregnancy?

As it turns out, most women only need a couple of ultrasounds during pregnancy. Read on to learn more about these important prenatal exams.

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.