First Trimester · Week 12 of 40
12 Weeks Pregnant
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Size of a lime
5.4 cm
Length
14g
Weight
1
Trimester
Milestone: End of first trimester — miscarriage risk drops significantly
Week 1Week 12 (30%)Week 40
Medical Information
The information on this page is for educational and informational purposes only. It is not medical advice and should not be used to diagnose or treat any medical condition. Always consult your healthcare provider (doctor, midwife, or nurse) before making any decisions about your pregnancy or your baby's health.
Baby Development at 12 Weeks
- Reflexes develop — baby can open and close fists
- Digestive system is practicing contractions
- All critical organs are formed
Symptoms at 12 Weeks Pregnant
- Morning sickness often begins to ease
- Energy levels may start to improve
- Visible bump for many moms
Tips for Week 12
- 1.Share your pregnancy news — miscarriage risk drops to ~2%
- 2.Start researching childbirth classes
- 3.Consider maternity clothes — your waistline is expanding
Week 12 Checklist
- Nuchal translucency ultrasound (weeks 11–14)
- Announce pregnancy to family and friends if desired