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Diastasis Recti and Postnatal Core Recovery: What Actually Helps

A doming belly or a soft gap after pregnancy is common. Learn what diastasis recti is, what matters more than gap width, and how physiotherapy rebuilds core function.

Published
25 Sep 2026
Reading time
3 min read
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Sevens Physiotherapy Team
Diastasis Recti and Postnatal Core Recovery: What Actually Helps
Specialist Rehab · 3 min read
Photo: Sevens Physiotherapy clinic

You lie back, lift your head, and a soft ridge pushes up along the middle of your belly. After pregnancy, this is one of the most common things new mothers notice, and it is usually followed by a lot of conflicting advice about what to do and what to avoid.

i
Quick answer

Diastasis recti is a widening of the gap between the abdominal muscles caused by pregnancy stretching the midline. Many women see it narrow over the first months, but a weak core can persist. Physiotherapy focuses on breathing, deep core activation and progressive strengthening, because how well your core controls load matters more than the gap width. Surgery is only for severe cases.

What Diastasis Recti Is

During pregnancy, the connective tissue running down the midline of the abdomen, the linea alba, stretches to make room for the baby, and the two sides of the rectus abdominis move apart. This is a normal response, and some separation is expected in late pregnancy.

For many women the gap narrows naturally over the first weeks and months. It matters when a ridge or doming persists, the belly feels unsupported, or you have back pain, pelvic heaviness or leaks.

The width of the gap tells you less than how well your core handles load. Function is what we retrain.

Why Function Matters More Than the Gap

Two women with the same gap can have very different core control. What predicts how you feel is whether the deep abdominals, diaphragm and pelvic floor work together to manage pressure, which is why assessment also considers pelvic floor function and your lower back, as in our back pain guide.

Gap width alone should not decide whether you exercise or how.

8–12 wks
is a typical programme length for noticeable improvement in postnatal core function.

What Physiotherapy Involves

Treatment starts with breathing and gentle deep core activation, then adds progressive strengthening of the core, glutes and legs. Supervised clinical pilates is well suited because load can be adjusted precisely as control improves. Exercises that make the belly dome early on are modified rather than forced, and running and heavy lifting return in stages.

Timing depends on your delivery and recovery, so start when you feel ready and get an assessment if you are unsure.

When Surgery Is Considered

Surgery to repair the midline is considered only for severe cases with a hernia or symptoms that have not responded to a proper rehabilitation programme.

Book a Postnatal Core Assessment at Sevens Physiotherapy

At Sevens Physiotherapy in HSR Layout, Bangalore, we assess your core function, explain what is normal and build a graded plan for returning to the activities you care about. Book at hello@sevensphysiotherapy.com or call +91 99009 01958.

Frequently Asked Questions

Many women see the gap narrow over the first few months, but function can remain weak, so a proper core programme is still useful.

Traditional crunches often aggravate doming early on. Graded deep core and full-body work is usually a better start.

It depends on your delivery and recovery. Gentle breathing and core activation can begin early, and a physiotherapist can guide a graded return.

Not always, but it can come with low-back pain, pelvic heaviness or a weak feeling in the core.

Only for severe cases with a hernia or symptoms that do not respond to rehabilitation.
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