Week 39
Your baby is the size of a Watermelon
50.7 cm3.2 kg3rd Trimester
Week 39 of 42Trimester 3
T1T2T3
39
Weeks
93%
Complete
21
Days left
🍉Watermelon
Your baby is the size of a Watermelon
50.7 cm
Length
3.2 kg
Weight
What happens in week 39
- 1Brain will continue developing rapidly after birth
- 2Chest becoming more prominent
- 3Immune system strengthened by mother's antibodies
- 4Baby is ready — perfect time for birth
Common symptoms
- Mucus plug release ('show') — labor may start soon
- Stronger downward pressure — waddling walk
- Nesting instinct at peak
- Strong emotional swings — completely normal
Checklist for this week
- Patience — only 5% of babies arrive on their due date
- Walks can help encourage labor
- Ensure reachability (phone charged, tank full)
- Know labor signs: contractions, water breaking, bloody show
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Weekly tips for you
Personalised info for your stage — free, no spam.
This information does not replace medical advice. Contact your midwife or OB/GYN with questions.