Collaborative Post¦ Pregnancy changes your body in many ways, and many of these changes are still seen after childbirth. Giving birth also brings its own unique changes that can persist for several weeks or longer, and you may find that your body doesn’t fully return to how it was before. It’s important to be aware of what can happen to your body after pregnancy and childbirth, so if you’re planning to start a family, then here are some of the main ways your body can change after having a baby.