Trimester 2
23 Weeks Pregnant
At week 23, your baby is focusing on growth and refining their movements. They are starting to hear the sounds of your heartbeat and voice, and their tiny muscles are getting stronger as they practice kicking and rolling in the womb.
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Your baby is the size of a Grapefruit
29 cm
Length
500 g
Weight
Week 1Week 13 - End of Trimester 1Week 27Week 42
Baby's Development This Week
At week 23, your baby is focusing on growth and refining their movements. They are starting to hear the sounds of your heartbeat and voice, and their tiny muscles are getting stronger as they practice kicking and rolling in the womb.
- Lungs begin producing surfactant (needed for breathing outside the womb).
- The fetus can hear your voice and may respond to music.
- Skin is wrinkled and translucent but will fill out.
- Rapid brain growth continues.
- Blood vessels in lungs develop for gas exchange.
- About 28.9cm — the size of a grapefruit.
Your Symptoms at Week 23
Week 23 is part of the 'honeymoon phase' of pregnancy. You likely have more energy now and your bump is starting to show. You might notice changes in your hair and skin, and you're probably starting to feel the wonderful sensation of your baby moving.
Swelling in hands and feet
Remove tight rings; elevate feet regularly. (moderate)
Remove tight rings; elevate feet regularly. (moderate)
Snoring
Sleep on your side; use nasal strips. (mild)
Sleep on your side; use nasal strips. (mild)
Increased appetite
Choose protein and fiber-rich snacks. (moderate)
Choose protein and fiber-rich snacks. (moderate)
Linea nigra darkening
Will fade postpartum; wear sunscreen. (mild)
Will fade postpartum; wear sunscreen. (mild)
When to Call Your Doctor
- Rings or shoes suddenly don't fit (rapid swelling)
- Severe headaches not relieved by rest
- Regular or painful contractions
- Decreased fetal movement
Week 23 Checklist
- ✓Schedule your glucose screening test (24-28 weeks) (essential)
- ✓Start planning for maternity/paternity leave (recommended)
- ✓Consider a prenatal massage for aches (optional)
- ✓Keep up with regular prenatal appointments (essential)
Frequently Asked Questions
Continue Your Pregnancy Journey — Week 23
← →
Week 22 of Pregnancy
Review what happened last week with your baby's development
← →
Week 24 of Pregnancy
What's coming next week — new developments and symptoms to expect
Guide
Second Trimester Overview
Everything happening during your second trimester — symptoms, tests, and milestones
Symptom
Heartburn & Indigestion
Safe remedies and foods to avoid during pregnancy
Symptom
Back Pain in Pregnancy
Exercises, positions, and when back pain is serious
Tool
Kick Counter
Monitor baby kicks — 10 movements in 2 hours is a healthy baseline
Related
Anatomy Scan Ultrasound
The detailed 20-week scan that checks all major organ systems
Nutrition
Second Trimester Nutrition
Iron, calcium, and the best foods for your growing baby
Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Always consult your healthcare provider for personalized guidance about your pregnancy.