Getting plenty of exercise is important to keep your body strong and healthy. This is true for daily life, and it is also true during pregnancy as well. Many women feel that they should not exercise while they are pregnant, or that exercise is unsafe during pregnancy, but this is not true.
Pregnancy means that you might need to modify your usual exercise routine, but you are certainly still able to exercise. In fact, it is recommended. Just like everyone else, pregnant women are recommended to get about 30 minutes of aerobic exercise per day. The only thing that changes is the intensity and types of exercises that are recommended.