Growing Giggles
Growing Giggles
Understanding Third Trimester Body Changes and How to Manage Them
pregnancy
1 min read

Understanding Third Trimester Body Changes and How to Manage Them

Everything you need to know about the physical changes in the third trimester and practical tips for staying comfortable.

Dr. Priya Jain
Dr. Priya Jain
PhD, Child Psychologist

Dr. Priya Jain is a child psychologist with a focus on emotional development and behavioral health in young children.

Published March 9, 2026 Updated March 26, 2026
Medically reviewed by Dr. Rajesh GuptaMD, FAAP, Pediatric Specialist

Key Takeaways

  • Third trimester changes are normal but require monitoring
  • Gentle exercise helps manage discomfort
  • Know the warning signs that need immediate medical attention

What to Expect in the Third Trimester

The third trimester (weeks 28-40) brings the most dramatic physical changes. Your baby is growing rapidly, and your body is working overtime to support this growth.

Common Changes

Braxton Hicks contractions, swelling in feet and ankles, shortness of breath, heartburn, frequent urination, and difficulty sleeping are all normal.

Managing Discomfort

Stay active with gentle exercises like walking and prenatal yoga. Elevate your feet when resting. Eat smaller, more frequent meals to combat heartburn. Stay hydrated.

When to Call Your Doctor

Contact your healthcare provider immediately if you experience severe headaches, vision changes, sudden swelling, decreased fetal movement, or vaginal bleeding.

Frequently Asked Questions

When does the third trimester start?

The third trimester begins at week 28 and lasts until delivery, typically around week 40.

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