Week 7  ·  First trimester

Week 7, gently.

A needle-felted wool a blueberry

Your baby is the size of

a blueberry

  • 1.0 cm long

The brain is growing about 100 new cells per minute right now.

“A brain at full tilt, inside something the size of a berry.”

What’s happening inside

The hands and feet begin as paddle-like shapes. Arm bones are lengthening. The brain is developing rapidly — about 100 new neurons are forming every minute.

A warm watercolor illustration of a 7-week fetus

How you might feel

Your uterus has roughly doubled in size since you got pregnant, though it is still tucked deep in the pelvis. You may feel bloated.

A warm watercolor illustration of week 7 of pregnancy