HomeBlogWeek-by-Week › Week 12
First trimester · Doctor-reviewed

Pregnancy Week 12: What to Expect

✍️ Baby Circle Medical Team🗓️ Updated Jul 2026
👩‍⚕️
Medically reviewed by
Baby Circle Medical Board
Reviewed on 12 July 2026
🍼
Your baby is about the size of a LimeApprox. ~5.4 cm · First trimester

Your baby this week

Reflexes develop, the digestive system practises, and your baby can open and close their fists.

Your body this week

The higher-risk early phase is passing and many feel relief. A small bump may appear.

💡 Tips for week 12

  • Share your news if and when you're ready
  • Keep up balanced meals
  • Ease back into light exercise

✅ To do this week

  • Complete first-trimester screening
  • Plan the anatomy scan (18–20 weeks)
  • Celebrate this milestone

Common questions — Week 12

Does miscarriage risk drop after 12 weeks?

Yes, risk falls significantly once a healthy heartbeat is confirmed in the first trimester.

When will I start showing?

Often between weeks 12–16, earlier in later pregnancies.

← Week 11Week 13 →

Track your week with The Circle 💜

Private, doctor-supported community for parents due the same month as you.

Join The CircleFull 40-Week Guide

References

  1. World Health Organization (WHO). WHO recommendations on antenatal care for a positive pregnancy experience. who.int
  2. American College of Obstetricians and Gynecologists (ACOG). Your Pregnancy and Childbirth. acog.org
  3. NHS. Week-by-week guide to pregnancy. nhs.uk
  4. Centers for Disease Control and Prevention (CDC). During Pregnancy. cdc.gov
  5. UNICEF. Maternal and newborn health. unicef.org
  6. Indian Academy of Pediatrics (IAP). iapindia.org
📖 Complete 40-Week Handbook👶 Baby Names💜 The Circle
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.