What can I do to promote a healthy pregnancy? Once you're pregnant, early and regular prenatal care is important to keep yourself and your developing infant healthy. Find out more about lifestyle changes that will have a positive effect on the health of your baby. What steps can I take to have the healthiest pregnancy possible? Learn what you can do before and during pregnancy to improve your chances of having a healthy baby in this feature article from the Centers for Disease Control and Prevention. Staying Healthy and Safe Eat this. Don't eat that. Do this. Don't do that. Pregnant women are bombarded with do's and don'ts. Here is help from the Office on Women's Health to keep it all straight.