One of the best things you can do to prepare for pregnancy is start exercising regularly. You don’t have to join the Boston Marathon, but even walking around the block a few times per week will help tone and condition your body and help you prepare for the journey ahead.Women who regularly engage in some form of exercise before and during pregnancy are more likely to experience quicker and less problematic labors. That is a good enough reason in and of itself to start exercising as soon as you c.