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).