Pregnancy, week by week

Every week of your pregnancy, beautifully explained — your baby's size and development, how you might feel, and what to do next. Expert-reviewed, and tailored to you the moment you join.

First trimester

Weeks 6–13

Second trimester

Weeks 14–27

Third trimester

Weeks 28–41

Your journey starts today

Join free in under a minute. Connect your Window to the Womb scans for the full experience.