11 weeks pregnant

At 11 weeks pregnant, the face is well formed and the nails are starting to grow. You're in the first trimester, about 9 weeks after conception, because pregnancy is counted from the first day of your last period.

Not sure how far along you are? Try the pregnancy week calculator, or get a free ultrasound at a local pregnancy center.

What's developing at 11 weeks

  • Between weeks 11 and 14, the face becomes well formed and the limbs are long and thin.
  • Nails appear on the fingers and toes.
  • The eyelids close and won't reopen until about week 28.

The head is very large at this stage, about half of the baby's size.

If you're not sure what to do

You don't have to decide everything today. It can help to know how far along you are, what all of your options are, and what support is out there.

← 10 weeks  ·  12 weeks →

Sources

  1. MedlinePlus. Fetal development.
  2. ACOG. How your fetus grows during pregnancy; Abortion language guide.
  3. ACOG. Methods for estimating the due date.

Common questions

What is developing at 11 weeks pregnant?
At 11 weeks, the face is well formed and the nails are starting to grow. Nails appear on the fingers and toes. The eyelids close and won't reopen until about week 28.
How many weeks since conception is 11 weeks pregnant?
About 9 weeks. Pregnancy is counted from the first day of your last period, and conception usually happens about two weeks after that.
How can I find out for sure if I'm 11 weeks pregnant?
An ultrasound is the most accurate way to know how far along you are, especially in the first trimester. Many pregnancy centers offer one free.

Last updated 2026-11-03. Medical facts on this page are drawn from the sources listed at the end and on our sources page. This is general information, not medical advice.

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