Recovery15 min read

Diastasis Recti: What It Is and How to Heal It

BY THE NURTURECALC TEAM

Written by the NurtureCalc Editorial Team · Reviewed against WHO & NHS guidelines

Reviewed by Women's Health Physiotherapy Experts — Grounded in ACOG and POGP guidelines.

You're standing in front of the mirror, months after your little one arrived, and you wonder why your belly still looks a bit like you're five months pregnant. Or maybe you've tried a sit-up and noticed a strange bulging along your midline. It's a moment that stops many of us in our tracks, and honestly? It can feel a bit lonely. But here's the thing: you aren't alone, and that 'gap' is actually much more common than the fitness industry likes to admit.

What most people don't tell you is that your body has just performed a literal miracle, and part of that miracle involved making space for a growing human. That 'pooch' or the feeling that your core just isn't 'firing' right isn't a failure on your part. It's often a sign of diastasis recti, a condition that affects the very foundation of your abdominal wall. We see this a lot in our community, and the good news is that understanding it is the first step toward genuine, lasting healing.

What we know from research is that your body is remarkably resilient, but it needs the right kind of support to knit back together. Sound familiar? If you've been searching for answers between nap times, you've probably found a lot of conflicting advice. In this deep dive, we're going to clear the air. We'll talk about what's actually happening to your muscles, how to check yourself at home, and why some common exercises might be doing more harm than good. Let's get into the heart of postpartum core health together.

What Actually Is Diastasis Recti?

To understand Diastasis Recti (DR), we first need to talk about the 'linea alba.' Think of it as a thick, fibrous band of connective tissue that runs right down the middle of your six-pack muscles. During pregnancy, this tissue softens and stretches to allow your abdominal muscles to move aside as your baby grows. It's a brilliant design, really. Without this stretching, there simply wouldn't be enough room for your uterus to expand.

And this is where it gets interesting. Diastasis recti isn't actually a 'tear' in the muscle, despite what some scary internet articles might say. Instead, it's an over-stretching and thinning of that connective tissue. Physically, your left and right abdominal muscles have moved further apart, leaving a gap where the tissue has lost its tension. What most people don't tell you is that the width of the gap is only half the story; the *depth* and the tension of that tissue matter just as much.

Here's an analogy we love: imagine a zip on a jacket that has come undone under pressure. The teeth of the zip (your muscles) are still there and perfectly functional, but the slider (the linea alba) has lost its ability to hold them tightly together. Healing isn't just about 'closing' the gap; it's about restoring the strength and tension of that slider so the whole system can work as one again. But what does that actually mean for you? It means we need to focus on building tension from the deep core rather than just pulling the surface muscles together.

How Common Is It Really?

If you're feeling self-conscious about your midsection, please take a deep breath. Studies suggest that up to 60% of women have some degree of diastasis recti in the immediate postpartum period. Some researchers even argue that *every* pregnant woman has some degree of separation by the third trimester. It is a completely normal physiological response to carrying a baby.

What we know from research is that while many 'gaps' will begin to close naturally in the first few weeks after birth, many do not. We shouldn't dismiss it as 'just part of being a mum,' but we definitely shouldn't panic about it either. Whether this is your first baby or your fourth, your body is navigating a massive transition. Normalising the conversation around DR helps us move away from shame and toward effective, science-backed recovery.

According to the American College of Obstetricians and Gynecologists (ACOG), core and pelvic floor health should be a central part of postpartum care. Yet, so many women are sent home with nothing more than a 'six-week okay' for exercise. That's why we're here. We want to bridge that gap between 'cleared for exercise' and 'knowing what is safe for your unique body.'

How to Check Yourself at Home

Don't wait for your six-week check-up if you're curious; you can actually do a simple check yourself. This isn't a medical diagnosis, but it will give you a great 'baseline' for your recovery. It's best to wait until at least 2 or 3 weeks postpartum for this, as your tummy is still doing a lot of natural shrinking in those early days. Ready? Let's walk through it together.

Step-by-Step Check:

First, lie on your back on a firm surface with your knees bent and your feet flat on the floor. Place one hand behind your head for support. Place the fingers of your other hand just above your belly button, pointing toward your toes. Now, slowly lift your head and shoulders off the floor as if you're starting a very small crunch. This is the moment you're looking for: feel for the edges of your abdominal muscles pressing against your fingers.

What most people don't tell you is that you need to check in three places: right at the belly button, two inches above it, and two inches below it. As you lift, how many fingers can you fit in the gap? Is it one, two, or three? But here's the kicker—don't just focus on the width. Press your fingers down gently. Does it feel firm, like the tip of your nose, or soft and squishy, like the webbed part of your hand between your thumb and forefinger? Shallow and firm is much better than narrow and deep. If your fingers sink deep into your belly, it means the connective tissue (linea alba) needs more work on its tension.

If you notice a 'doming' or 'coning' effect—where the middle of your belly bulges out like a little ridge—that's a sign that your intra-abdominal pressure isn't being managed well. It's your body's way of saying, 'Hey, I can't handle this load yet!' Take note of these findings. They aren't a grade; they are just a starting point for your healing journey.

What Makes Diastasis Recti Worse

Here's the thing: some of the most common 'core' exercises are actually the worst things you can do if you have DR. This is because they create massive amounts of intra-abdominal pressure that pushes *out* against that weakened linea alba. Imagine a balloon—if you squeeze the top and bottom, the air has to go somewhere, and it usually pushes out at the weakest point. In your body, that weakest point is the gap.

We highly recommend avoiding traditional crunches and sit-ups. These movements focus on the 'rectus abdominis' (the surface muscles) but they can actually force the gap wider if the deep core isn't strong enough to hold things together. Similarly, double leg raises—where you lie on your back and lift both legs—put an enormous strain on your lower back and core. If you see that 'doming' we talked about earlier, stop immediately. Your body is telling you the load is too high.

What most people don't tell you is that heavy lifting with breath-holding is also a major culprit. Whether it's a heavy barbell at the gym or just picking up a toddler and a car seat at the same time, if you hold your breath and 'brace,' you're creating a pressure cooker in your abdomen. Intense Pilates moves like 'The Hundred' can also be problematic in the early stages. The goal isn't to avoid movement forever, but to avoid movements that your body currently cannot 'manage' without bulging.

The Right Way to Start Healing

What most people don't tell you is that the foundation of core healing isn't a 'move' at all—it's your breath. We call it 'connection breathing.' It sounds simple, but it is the secret sauce for returning to exercise after birth. Your diaphragm and your pelvic floor are like two pistons that should move together. When you breathe in, they both drop; when you breathe out, they both lift.

To try this, sit comfortably and place your hands on your lower ribs. As you inhale through your nose, feel your ribs expand sideways and your pelvic floor relax. As you exhale through your mouth (like you're blowing through a straw), gently lift your pelvic floor and feel your deep tummy muscles (the transverse abdominis) draw in toward your spine. This isn't about 'sucking it in'; it's about a gentle, coordinated engagement.

Why starting here matters before any strengthening? Because if you can't coordinate your breath with your movement, you'll never be able to manage that intra-abdominal pressure we've been talking about. Think of this as the 're-wiring' phase. You're teaching your brain and your muscles how to talk to each other again after the massive disruption of pregnancy. Master this, and the rest of the exercises will actually work.

Exercises That Actually Help

Once you've got the breathing down, you can start with gentle, deep-core movements. These exercises focus on the 'transverse abdominis' (your internal corset) and the 'multifidus' (the small muscles along your spine). These are the muscles that provide the 'tension' for thatLinea Alba zip we mentioned earlier. You can find more of these in our personalised exercise timeline, but here are four great ones to start with.

Heel Slides

First up: Heel Slides. Lie on your back with your knees bent. Perform your 'connection breath' exhale (lifting the pelvic floor and drawing in the tummy) and then slowly slide one heel away from you along the floor. The goal is to keep your back and pelvis perfectly still. If you feel your back arching or your tummy doming, don't slide your foot so far. This move teaches your core how to stabilise your pelvis while your legs move—essential for walking and carrying that heavy car seat!

Modified Dead Bugs

Next: Modified Dead Bugs. Lying on your back, lift your legs into a 'tabletop' position (knees over hips). Again, use that exhale to engage your core before you move. Slowly lower one foot to tap the floor and bring it back up. Watch for coning! If you see a ridge appearing, go back to heel slides for a week. This move builds serious deep-core endurance without the pressure of a crunch.

We also love Bird Dogs and Glute Bridges. For Bird Dogs, get on your hands and knees. As you exhale, extend the opposite arm and leg. This one is brilliant for the 'back' part of your core. For Glute Bridges, lie on your back and lift your hips. This engages your posterior chain, which supports your core from behind. Remember: quality over quantity. Five slow, perfect reps are worth more than fifty rushed ones.

When to See a Physio

We are huge advocates for 'Women's Health Physiotherapy.' In many countries, a visit to a pelvic health physio is a standard part of postpartum care. Here in the UK, the POGP physiotherapy guidelines are very clear about the benefits of specialist assessment. Frame physio as the smart move, not the last resort. It's an investment in your long-term health, not just a fix for a current problem.

So, when should you definitely book that appointment? If your gap is wider than 2.5 or 3 finger-widths after the 12-week mark, a professional can help you with specific techniques to create tension. If you're exercising correctly but not seeing any improvement after 3 months, it's time for a check-in. And this is important: if you have any pain (back, hip, or pelvic), or symptoms of prolapse (a feeling of heaviness or 'something coming down'), please see a specialist. These are often linked to how your core is—or isn't—managing pressure.

If you've had a C-section recovery, a physio is also invaluable for scar tissue massage and ensuring your deep layers are healing correctly. They have tools like real-time ultrasound where you can actually *see* your muscles working on a screen. It's incredibly empowering to see that 'lift' happening and know you're doing it right. Think of them as a personal trainer for your insides.

Diastasis Recti and Your Pelvic Floor — The Connection Nobody Talks About

We see this a lot: women focusing entirely on their 'tummy gap' while ignoring what's happening 'downstairs.' But the deep core system—the diaphragm, the pelvic floor, the transverse abdominis, and the multifidus—all work together as a single unit. DR rarely exists in isolation. Because the pressure in your abdomen isn't being managed well at the front (due to the gap), it often ends up pushing down on your pelvic floor instead.

This is why many women with diastasis recti also experience signs of pelvic floor dysfunction, like leaking when they sneeze or a feeling of 'heaviness.' If you want to heal the front, you *must* address the bottom. If you're unsure where you stand, our pelvic floor estimator can give you a better idea of your current recovery status. Think of your core as a cylinder; you can't fix just one side of the cylinder and expect it to hold pressure.

Integrating pelvic floor recovery after birth into your DR routine is non-negotiable. Every 'core' exhale should start with a gentle pelvic floor lift. This 'bottom-up' engagement ensures that as your tummy muscles draw in, they aren't just squishing your organs down. It's about creating a supportive internal environment that allows the linea alba to finally rest and recover. It's all connected, and that's actually a good thing—it means you can heal multiple systems at once!

What About Surgery?

What most people don't tell you is that surgery is sometimes a valid and necessary path. For some women, the connective tissue has lost so much integrity that exercise alone cannot restore the necessary tension. This is usually considered for severe cases (often called a 'tummy tuck' or abdominoplasty) where the gap is very wide and causing significant functional issues like chronic back pain or hernia.

However, and this is where it gets interesting, conservative rehab should *always* come first. Even if you eventually decide on surgery, having a strong deep core foundation will make your surgical recovery much faster and more successful. Most surgeons will recommend at least 12 months of dedicated physical therapy before considering an operation. Your body continues to produce healing collagen for a long time after birth, so give it that chance.

And remember, surgery fixes the *structure*, but it doesn't automatically fix the *function*. You still need to learn how to breathe and move in a way that manages pressure, or you could end up with issues elsewhere. If you're considering this path, have an honest conversation with a women's health physio first. They can help you determine if you've truly hit a plateau with exercise or if there's still progress to be made.

Real Talk: How Long Does Healing Take?

Let's have some real talk: how long does healing take? If you're looking for a '6-week transformation,' you're going to be disappointed. Genuine, functional healing of the connective tissue usually takes 6 months to a year of consistent, correct exercise. Some women see massive shifts in 12 weeks, while others are still working on it at the two-year mark. Both are okay.

The honest answer is that some degree of separation may always remain. And here's the kicker—that's perfectly fine! You can have a two-finger gap and still have a core that is strong, functional, and can handle running, jumping, and lifting. We need to redirect our focus from 'closing the gap' to 'restoring function.' Can you carry your baby without pain? Can you jump on a trampoline without leaking? If the answer is yes, then your core is doing its job, gap or no gap.

Be patient with yourself. You aren't 'fixing' a broken body; you're supporting a healing one. There will be days when you feel strong and days when you feel 'heavy.' What matters is the overall trend. Celebrate the small wins—like the first time you do a glute bridge and feel that 'firmness' in your midline. Those are the moments that tell you you're on the right track. You've got this, and we're cheering you on every step of the way.

Frequently Asked Questions

Can diastasis recti heal on its own without exercise?

While some natural 'shrinking' happens in the first few weeks as the uterus returns to size, significant DR usually requires intentional exercise to restore tissue tension. Without specific deep-core work, the gap often remains and can lead to back pain or pelvic floor issues later in life. Based on NHS guidance, supervised exercise is the gold standard for recovery.

Does everyone get diastasis recti after pregnancy?

Almost everyone! Research shows nearly 100% of women have some degree of separation in the third trimester. It's a necessary part of making room for the baby. Whether it stays 'open' postpartum depends on genetics, the size of the baby, the number of pregnancies, and how you move in the early weeks after birth.

Can I do yoga or Pilates with diastasis recti?

Yes, but with modifications. Many yoga poses like 'Upward Dog' or 'Plank' can be too intense for a healing core. Similarly, many Pilates 'ab' moves need to be scaled back. Look for instructors who are specifically trained in 'Pre and Postnatal' movement—they will know how to adjust the poses so you can reap the benefits without the risk.

Will a belly band or support garment help?

A support garment can provide a wonderful 'sense of security' and help you move more comfortably in the early days. However, it is not a 'fix.' Think of it as a temporary splint. You still need to do the internal work to build your own 'internal corset.' Wearing one too long can actually make your muscles 'lazy,' so use it as a tool, not a crutch.

Can diastasis recti come back after healing?

Yes, particularly with a subsequent pregnancy. If you heal your DR and then get pregnant again, the tissue will naturally stretch again. However, having done the work once makes the second recovery much faster because you already have the 'muscle memory' and the correct breathing patterns in place.

Rebuild Your Core Foundation

Ready to start moving again safely? Read our gentle guide to returning to exercise after birth — with timelines for both vaginal and C-section deliveries.

Safe Return to Exercise →