8 weeks pregnant

At 8 weeks pregnant, the arms and legs are longer and the hands and feet are starting to form. You're in the first trimester, about 6 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 8 weeks

  • The arms and legs have grown longer.
  • Hands and feet begin to form and look like little paddles.
  • The brain keeps growing, and the lungs start to form.

Around weeks 8 to 9, fingers and toes begin to form.

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.

← 7 weeks  ·  9 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 8 weeks pregnant?
At 8 weeks, the arms and legs are longer and the hands and feet are starting to form. Hands and feet begin to form and look like little paddles. The brain keeps growing, and the lungs start to form.
How many weeks since conception is 8 weeks pregnant?
About 6 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 8 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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