1st TrimesterMonth 3Week 9 of 40
9 Weeks Pregnant
— How Many Months Is It?
9w
Equivalent to
Month 3
1st Trimester
🫒
Baby is the size of a
Green Olive
2.3 cm (~0.9 in) · 2g
🌱Fetal Development Milestones — Week 9
Your baby officially enters the fetal stage! Fingers and toes are clearly separated and tiny movements begin.
Pregnancy timeline progress23%
Week 1Week 9Week 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.
Adjacent Pregnancy Weeks
Frequently Asked Questions — Week 9
9 weeks pregnant equals Month 3 of gestation in the 1st 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.
Your baby officially enters the fetal stage! Fingers and toes are clearly separated and tiny movements begin.
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).