Short version: learn to breathe into your ribs and back, learn to draw the deep layer of your abdomen in on the exhale, then load that layer a little more each week. That's the whole program. Everything below is detail, but if you only remember one sentence, that's the one.
Check what you have before you pick an exercise. Lie on your back, knees bent, feet flat. Put two fingers pointing down into your belly just above the navel. Lift your head and shoulders about an inch off the floor, no more, and feel for the two edges of muscle coming toward your fingers. Note how many fingers fit between them. Then, and this matters more, notice what the floor of the gap feels like. Firm and springy is one thing. Soft, like your fingers could keep sinking, is another. Check at the navel, two inches above it, and two inches below. Write it down. Our free core tracker at https://postpartumlibrary.com/tools/core-tracker is built for exactly this if you'd rather not keep it on a sticky note.
Two things people get wrong about the number. A two-finger gap with a firm floor is usually in better shape than a one-finger gap that feels like a hole. And width matters less than whether you can make tension across the gap on purpose. That's what you're training.
The first four weeks
Start with breathing. Lie down with one hand on your lower ribs and one on your lower belly. Inhale through your nose and aim it at the ribs, so they widen sideways and press into the floor behind you. The belly rises a little. The pelvic floor softens. Then exhale slowly through pursed lips, like fogging a mirror, and let the pelvic floor lift gently as the lower belly draws toward your spine. Ten breaths. Three times a day. Do it while the baby feeds, since you're already lying there.
After a few days, add the connection. On the exhale, think of drawing the two hip bones toward each other, or zipping up from pubic bone to navel. This is not sucking in and it's not bracing hard. If your ribs flare up or you catch yourself holding your breath, it's too much. Put your fingers back in the gap and check: on a good exhale the floor firms under your fingers or the edges come in slightly. If the middle pushes up instead, back off until it doesn't.
Once you can do that reliably, add three things, all on the exhale, all with the ribs down:
- Heel slides. Exhale, slide one heel along the floor until the leg is straight, inhale, bring it back. Eight each side.
- Knee fallouts. Exhale, let one knee drop out to the side a few inches, bring it back before the pelvis tips. Eight each side.
- Marching. Exhale, lift one foot an inch off the floor, hold for two breaths, set it down. Six each side.
Two sets of each, most days. It takes under ten minutes. Stop a rep if you see doming, feel leaking, or lose the breath.
Weeks four to twelve
When those are easy, meaning no doming for two full sets, you add load. The order we use:
Bridges. Exhale, lift the hips, hold two breaths, lower. Ten reps.
Dead bug, one limb at a time. Knees over hips, shins parallel to the floor. Exhale and reach one arm overhead, bring it back. Then one heel toward the floor. Only when both are clean do you combine opposite arm and leg. Eight each side.
Bird dog from hands and knees, same rule. Arm only, leg only, then opposite arm and leg. Hold two breaths.
Incline hold. Hands on a counter, body in a straight line, exhale and hold five breaths. Over the weeks you move your hands lower, to a bench, then to a step.
Sit to stand from a chair with the exhale on the way up. The baby in your arms counts as the weight. Ten reps.
The rule for moving on is the same every time: two sets of ten, steady breath, no doming, nothing leaking, nothing feeling heavy in the pelvis. If any of those fail, you stay where you are another week. There's no prize for getting your hands down to the floor early.
What you do the other twenty-three hours matters more than the ten minutes. Roll to your side to get out of bed instead of sitting straight up. Exhale as you lift the car seat. Don't hold your breath on the toilet. Carry the baby a little closer to your body than feels natural. These are the reps nobody counts, and they're most of them.
If you're breastfeeding, eat. You can't rebuild tissue on too little protein and too little sleep, and this is not the time to cut calories. Water, protein at every meal, and whatever sleep you can get do more for your midline than another set of anything.
What to leave out, and when to get looked at
For the first few months, no crunches, no sit-ups, no full front holds on your hands or forearms from the floor, no straight-leg lowering, no Pilates hundreds. Not forever. Just not yet. They all push the contents of the abdomen forward against a wall that can't hold them back yet, and you'll see it as a ridge down the middle when you try.
A soft binder in the first couple of weeks can help you feel where your midline is. Take it off to do the exercises, and don't wear a waist trainer all day. The deep layer has to do its own work.
Get clearance from your OB-GYN or midwife before you start any of this, and see a pelvic floor physical therapist if you're leaking, feel heaviness or dragging in the pelvis, have pain with sex, or your gap hasn't changed by three or four months of consistent work. A PT will check whether you can make tension across the gap, how your pelvic floor coordinates with your breath, and whether the hernia question needs an ultrasound. If a bulge hurts, if you're soaking a pad an hour, if you have a fever or chest or calf pain, or if you're having thoughts of harming yourself or your baby, call your provider or 911. Those are not things to work around with heel slides.
What usually changes, in order: the floor of the gap firms first, often within a few weeks. Then the lower belly stops pushing out when you stand up or lift. Then the width comes in some, though not always all the way, and a finger or so of soft gap that holds tension is a normal end point for a lot of women. Clothes fit differently before the number changes.
If you want the ten-minute version written out as a daily routine with the reps and progressions in one place, that's what our guide The 10-Minute Mom Pooch Reset is.
The 10-Minute Mom Pooch Reset
The 12-week, 10-minute-a-day core and belly plan for exhausted moms: the gap check, breath-to-core, three phases, kitchen-counter and naptime routines, food that helps, and 6 printable trackers.
See the plan →Not sure yet? Take the free 2-minute quiz
Educational content from the Mom Pooch Reset team. Not medical advice for your specific situation. Get clearance from your OB-GYN or midwife before exercising after birth, and see a pelvic floor physical therapist for leaking, pain or a bulge.
