Having a baby is an exciting time that often inspires women to make healthier lifestyle choices and, if needed, work toward a healthy body weight. Here you’ll find tips on how to improve your eating and physical activity habits while you’re pregnant and after your baby is born. These tips can also be useful if you’re not pregnant but are thinking about having a baby! By making changes now, you can get used to new lifestyle habits. You’ll give your baby the best possible start on life and be a healthy example to your family for a lifetime. Gaining an appropriate amount of weight during pregnancy helps your baby grow to a healthy size. But gaining too much or too little weight may lead to serious health problems for you and your baby.