Pregnancy Week 20: What to Expect
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Medically reviewed by
Baby Circle Medical Board
Reviewed on 12 July 2026
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Your baby is about the size of a BananaApprox. ~25.6 cm · Second trimester
Your baby this week
Halfway! Baby swallows and produces meconium; the anatomy scan checks the organs.
Your body this week
You feel movements more clearly; possible heartburn and a defined bump.
💡 Tips for week 20
- Smaller meals for heartburn
- Celebrate the halfway mark
- Keep gentle activity
✅ To do this week
- Anatomy scan (organ check)
- Discuss any findings
- Start thinking about the birth plan
Common questions — Week 20
Why did the length jump?
From ~week 20, length is measured head-to-heel instead of head-to-rump.
What does the anatomy scan check?
Organs, spine, heart, brain, limbs and growth.
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Join The CircleFull 40-Week GuideReferences
- WHO. Recommendations on antenatal care for a positive pregnancy experience. who.int
- ACOG. Your Pregnancy and Childbirth. acog.org
- NHS. Week-by-week guide to pregnancy. nhs.uk
- CDC. During Pregnancy. cdc.gov
- UNICEF. Maternal and newborn health. unicef.org
- Indian Academy of Pediatrics. iapindia.org
Medical disclaimer: This article is for general education only and is not a substitute for professional medical advice. Always consult your doctor about your pregnancy, and seek care immediately for any warning signs. Reviewed by the Baby Circle Medical Board.