3rd TrimesterMonth 7Week 30 of 40
30 Weeks Pregnant
— How Many Months Is It?
30w
Equivalent to
Month 7
3rd Trimester
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Baby is the size of a
Cabbage
39.9 cm (~15.7 in) · 1.3 kg
🌱Fetal Development Milestones — Week 30
Brain surface develops grooves and wrinkles to support advanced neural networks.
Pregnancy timeline progress75%
Week 1Week 30Week 40
Calculate Your Exact Due Date
Enter your last period date for an instant gestational calculation
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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 30
30 weeks pregnant equals Month 7 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.
Brain surface develops grooves and wrinkles to support advanced neural networks.
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).