Pregnancy Week 21: 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 CarrotApprox. ~26.7 cm · Second trimester
Your baby this week
Rapid growth; eyebrows and eyelids are present and the digestive system practises.
Your body this week
Bigger appetite; visible, stronger kicks; possible swelling.
💡 Tips for week 21
- Elevate feet for swelling
- Eat balanced meals
- Stay hydrated
✅ To do this week
- Attend antenatal visit
- Continue vitamins
- Note kick patterns
Common questions — Week 21
Is swelling normal?
Mild ankle/foot swelling is common; sudden or severe swelling needs review.
How often should baby move?
You'll notice patterns; from 28 weeks, daily kick counts matter more.
Track your week with The Circle 💜
Private, doctor-supported community for parents due the same month as you.
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.