Week 31 of pregnancy — 3rd trimester. Baby is the size of a coconut 🥥, approximately 41.2cm long and weighing 1.50 kg. All 5 senses functioning. Rapidly putting on weight — 250g/week. 78% of the 40-week journey complete, 9 weeks remaining.
PREGNANCY WEEK 31 — 3rd TRIMESTER
🥥
coconut
baby is about the size of a coconut
WEEK
31
of 40
LENGTH
41.2cm
crown to rump
WEIGHT
1.50 kg
approximate
9 weeks remaining · All 5 senses functioning. Rapidly putting on weight — 250g/week.
WEEK 31 — BABY'S DEVELOPMENT
3RD TRIMESTER · Weeks 27–40
All 5 senses functioning. Rapidly putting on weight — 250g/week.
HOW YOU MAY FEEL
Forgetfulness common. Rib discomfort. Visit frequency increases to every 2 weeks.
WEEK 31 KEY FACTS
Gestational age
Week 31
Trimester
3rd (T3)
Baby length
41.2cm
Baby weight
1.50 kg
Progress
78% complete
Weeks left
9 weeks
What happens at week 31 of pregnancy?
At week 31 of pregnancy (3rd trimester):\n\nBaby development: All 5 senses functioning. Rapidly putting on weight — 250g/week.\n\nBaby size: coconut 🥥\nLength: approximately 41.2cm (crown to rump)\nWeight: approximately 1.50 kg\n\nPregnancy progress: 78% complete (9 weeks remaining)\n\nGestational age is counted from the first day of your last menstrual period (LMP), not from conception. Week 31 begins on day 211 and ends on day 217 from your LMP.
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Pregnancy week 31 · 3rd trimester · Baby size: coconut 🥥 · 41.2cm · 1.50 kg · Sources: ACOG, WHO fetal growth data