Exercising while pregnant: pregnancy workouts for all 3 trimesters. Need a workout that will ease some of the aches and pains of pregnancy without giving you new aches and pains? Try our workout programs with safe exercises on a daily basis and add some light stretching for flexibility. The benefits to you and your baby are great motivators for adding a workout to your routine. Doing regular physical activity has health benefits during pregnancy and also helps to prepare the body for childbirth