Exercise routines should be resumed gradually and be based on your physical ability and comfort.

• If you have had a Caesarean section, your doctor can help you decide when your stitches are healed well enough to increase your activity.
  
  
• It is important for all women to continue pelvic floor exercises (Kegels) and abdominal muscle exercises, and to take special care to avoid strains that lead to back pain.

Baby's Best Chance p. 48

Postnatal Exercises (Mothers in Motion)