From physical changes to getting the chance to see your baby for the first time - here's an overview of what to expect during the second trimester (15-27 weeks) of your pregnancy.

Your second trimester lasts from week 15 to 27. Learn more in this section:

• Normal Pregnancy: Second Trimester
• Video About Your Second Trimester

The second trimester is a time of rapid growth for your baby. Learn more about how your baby is developing and what to expect:

• Babies Development During the Second Trimester
• Fetal development at 16 weeks of pregnancy
• Fetal development at 20 weeks of pregnancy
• Fetal development at 24 weeks of pregnancy
• Pregnancy: Kick Counts
• Week 16 of Pregnancy: What's Going On Inside
• Week 20 of Pregnancy: What's Going On Inside
• Week 24 of Pregnancy: What's Going On Inside

During your second trimester, you’ll see your healthcare provider more regularly. During this time, you may be asked to do tests that monitor the progress of your pregnancy. 

• Check-ups and Tests in the Second Trimester
• Getting Ultrasounds During Pregnancy
• Learning About When to Call Your Doctor During Pregnancy (After 20 Weeks)

You may experience a range of new physical changes during the second trimester. Learn more about a Mothers' Physical Changes During the Second Trimester

Last Updated: June 2021