What are the best exercises to do after having a baby? Whether you’re 6 weeks or 6 months postpartum — these are the best postpartum workouts at home. These quick postnatal workouts are designed to help new moms start exercising again. Heal diastasis recti, rebuild core and pelvic floor strength, and overall full body strength. Use our postpartum fitness test to determine whether you’re ready to return to high impact exercise and running.