Do this move as early as one week after you have your baby if you had a vaginal delivery; if you had a C-section you might have to wait 8 to 10 weeks. Lie on your back with your knees bent and a pillow under your hips and another between your knees. Feet flat and your arms at your sides, inhale, then exhale and draw your abs in and tuck your pelvis under slightly, squeezing your buttocks as you do a Kegel.
Hold 5 seconds and release for 10 reps.
Improves deep abdominal strength and stamina.