When you’re pregnant, your baby is changing every day, and your body is keeping pace. This pregnancy tracker will help you better understand the weeks, months and trimesters of your pregnancy; each brings new developments and milestones for you and your baby-to-be.

Read on to learn more about what you can expect to happen week-by-week during pregnancy, including how big your baby is each week, common early pregnancy symptoms you might experience and, once you’ve entered the third trimester, ways to prepare for labor and signs that labor is near. You'll better understand what's going on and why, inside and out, with this guide.