Week 8 of Pregnancy: What's Going On Inside
Overview
During this stage, the pregnancy is called an embryo.
Wondering what an embryo looks like at 8 weeks?
It is now about the size of an olive.
How the embryo is changing
Here are some of the important facts and developments around 8 weeks.
- The embryo starts out looking like a tiny seed, and then like a tadpole with a tail.
- At 6 weeks of pregnancy, embryos have the beginnings of a brain, eyes, ears, heart, lungs, liver, and other organs. They have tiny bumps where their arms and legs will grow.
- By 8 weeks of pregnancy, embryos have webbed fingers and arms that bend at the elbow. Their legs and feet will take a little more time to grow. Their muscles will soon start working. Their heart and brain have divided into their major parts.
Credits
Current as of: July 15, 2025
Current as of: July 15, 2025