Being pregnant is one of the most exciting times of your life. Learn all about your symptoms, your baby’s progress and development, and what to expect from the first trimester until birth using our pregnancy calendar tools. You can track by trimester, or break it down further to look at particular months or weeks. This will help you understand what's happening to your body from conception up until you’re nine months pregnant and ready to welcome your new addition.

Explore pregnancy by trimester

In the three pregnancy trimesters – which each last three months – your body and baby experience some big changes.