Baby Size
Week 40

Your Baby is the Size of a Watermelon

Week 40

Watermelon

Length

51.2 cm / 20.2 in

Weight

3462 g / 122.1 oz

Your baby is fully developed and ready to meet the world — the due date has arrived and labor may begin any time.

Development at Week 40

At 40 weeks, your baby's hair and nails are fully grown and the skin is smooth and plump with fat reserves. The immune system has received a final boost of antibodies from the placenta to help fight infections in the first months of life. While only about 5 percent of babies are born on their exact due date, your body and baby are completely ready for birth.

Keep Track of Your Pregnancy Journey

Week-by-week baby development
Baby kick counter and contraction timer
Daily duas and dhikr for pregnancy
Download on App Store
Get it on Google Play