3rd TrimesterMonth 9Week 37 of 40
37 Weeks Pregnant
— How Many Months Is It?
37w
Equivalent to
Month 9
3rd Trimester
🍉
Baby is the size of a
Winter Melon
48.6 cm (~19.1 in) · 2.9 kg
🌱Fetal Development Milestones — Week 37
Early full term! Your baby is considered mature and ready for delivery soon.
Pregnancy timeline progress93%
Week 1Week 37Week 40
Calculate Your Exact Due Date
Enter your last period date for an instant gestational calculation
212835
Enter your date to calculate gestational age.
Based on ACOG guidelines and Naegele's Rule for informational purposes only. Consult your OB-GYN.
Frequently Asked Questions — Week 37
37 weeks pregnant equals Month 9 of gestation in the 3rd Trimester. Because calendar months vary between 28 and 31 days while weeks are exactly 7 days, clinical tracking in weeks provides the most accurate timeline.
Early full term! Your baby is considered mature and ready for delivery soon.
Use the calculator above: enter the first day of your last period (LMP) and the tool will calculate your exact estimated due date using Naegele\'s Rule (LMP + 280 days).