1st TrimesterMonth 3Week 11 of 40
11 Weeks Pregnant
— How Many Months Is It?
11w
Equivalent to
Month 3
1st Trimester
🍋
Baby is the size of a
Lime
4.1 cm (~1.6 in) · 7g
🌱Fetal Development Milestones — Week 11
External genitalia start differentiating. Your baby can open and close their tiny fists.
Pregnancy timeline progress28%
Week 1Week 11Week 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.
Adjacent Pregnancy Weeks
Frequently Asked Questions — Week 11
11 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.
External genitalia start differentiating. Your baby can open and close their tiny fists.
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).