Trimester 2
27 Weeks Pregnant
At week 27, 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 Cauliflower
37 cm
Length
875 g
Weight
Week 1Week 13 - End of Trimester 1Week 27Week 42
Baby's Development This Week
At week 27, 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.
- The brain develops more grooves and indentations for increased brain tissue.
- The fetus sleeps and wakes at regular intervals.
- Lungs continue maturing but are not yet ready for breathing air.
- The fetus can recognize your voice and your partner's.
- Eyelashes are present.
- About 36.6cm — the size of a head of cauliflower.
Your Symptoms at Week 27
Week 27 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.
Leg cramps
Stretch calves daily; eat bananas and leafy greens. (moderate)
Stretch calves daily; eat bananas and leafy greens. (moderate)
Restless legs
Walk before bed; try a warm bath; check iron levels. (moderate)
Walk before bed; try a warm bath; check iron levels. (moderate)
Shortness of breath
Stand and sit straight; sleep slightly elevated. (moderate)
Stand and sit straight; sleep slightly elevated. (moderate)
Swollen hands and feet
Elevate when possible; remove rings if tight. (moderate)
Elevate when possible; remove rings if tight. (moderate)
When to Call Your Doctor
- Restless legs with pain or swelling (possible clot)
- Regular contractions or menstrual-like cramping
- Persistent headache or visual disturbances
- Decreased fetal movement
Week 27 Checklist
- ✓Get your Tdap vaccine (ideally between weeks 27-36) (essential)
- ✓Get RhoGAM injection if Rh-negative (essential)
- ✓Finalize your childcare plan (recommended)
- ✓Take a hospital or birth center tour (recommended)
- ✓Begin washing and organizing baby clothes (optional)
Frequently Asked Questions
Continue Your Pregnancy Journey — Week 27
← →
Week 26 of Pregnancy
Review what happened last week with your baby's development
← →
Week 28 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.