Postpartum Pilates: Postpartum Recovery, Pelvic Floor, and Rectus Diastasis

After giving birth, Pilates is one of the gentlest ways to rebuild your pelvic floor and deep abdominal muscles—provided you start only after getting the green light from your doctor and follow the correct sequence of exercises. Rectus diastasis is no reason to panic: It occurs in the vast majority of women and, in many cases, can be significantly reduced with targeted training.

This guide will show you when you can start, what the process looks like step by step, which exercises you should avoid at first, and what to watch out for if you have rectus diastasis. It is not a substitute for individual advice from a doctor, midwife, or physical therapist—but it will give you clear guidance.

What Happens to the Body After Childbirth

During pregnancy, the abdominal wall stretches, the pelvic floor supports extra weight for months, and hormones cause the connective tissue to soften. Two areas require special attention afterward:

• Pelvic floor: The layer of muscles that supports the bladder, uterus, and intestines. It is often weakened after childbirth—symptoms such as involuntary urine leakage when sneezing or jumping are a sign that targeted exercises are needed.
• Rectus diastasis: The gap between the two rectus abdominis muscles along the midline. It develops as the abdomen grows and is completely normal at first.

A frequently cited cohort study (Sperstad et al., British Journal of Sports Medicine, 2016) illustrates how common rectus diastasis is: The percentage of affected women was 33.1% at 21 weeks of pregnancy, 60% six weeks after childbirth, 45.4% after six months, and 32.6% after twelve months. Rectus diastasis thus noticeably resolves in many women during the first year—targeted, appropriately intensity-adjusted exercise supports this process.

When can you start doing Pilates again?

The most important rule: first, get medical clearance—usually during the follow-up exam about six to eight weeks after giving birth, though often later after a C-section. Before that, you should start with an official postpartum recovery class—only then should you build on that with Pilates. If you start doing intense abdominal exercises too soon, you risk prolonging rectus diastasis or pelvic floor weakness.

Phase	Time Period (Approximate)	Focus	Suitable
1 – Postpartum Period	From birth, approx. 6–8 weeks	Calm, Breathing, Gentle Pelvic Floor Awareness	Diaphragmatic breathing, gentle contraction and relaxation
2 – Reactivation	After clearance / postpartum exercise class	Pelvic Floor + Deep Abdominal Muscles (Transversus)	Basic Pilates Exercises, Breath-Coordinated Contraction
3 – Structure	Starting around months 3–4	Core Stability, Posture, Strength in Everyday Life	All-Fours, Side-Lying, Bridging, Reformer Exercises
4 – Load	wenn Diastase < 2 Finger & stabil	Full range of motion, dynamic abdominal exercises if necessary	Progression only without "doming" the center of the abdomen

These time frames are just guidelines—your body and the feedback from your physical therapist will determine the pace.

Recognizing Rectus Diastasis and Exercising Properly

You can do a rough self-test while lying down: Bend your legs, place one hand lengthwise on your navel, and lift your head slightly. If you feel a gap above, at, or below your navel, measure it roughly in finger widths. More important than the width itself, however, is the tension of the connective tissue in the middle—if there’s a lot of give there, you should have it checked by a professional.

The guiding principle during training is: Build tension from within; do not exert outward pressure. Specifically, this means:

• Before each repetition, exhale gently while engaging your pelvic floor and deep abdominal muscles (the “squeeze as if to stop the flow of urine”—briefly and without straining).
• Perform the movements slowly and in a controlled manner; keep your core flat.
• If the center line curves upward in a cone shape (“doming”/“coning”), the exercise is still too difficult—reduce the intensity.

You can learn more about targeted pelvic floor exercises in our article “Pelvic Floor Pilates.” If you’re dealing with back pain, our clinical guide to Pilates for back pain can help.

Exercises You Should Avoid at First

As long as the pelvic floor and core are not yet stable, certain movements tend to worsen diastasis rather than close it:

• Traditional crunches and sit-ups —they increase pressure on the midline.
• Full planks and push-ups in the early stages, until core stability is established.
• Rotational and rolling movements, such as the classic “roll-up,” which significantly shorten the rectus abdominis muscles.
• Heavy lifting with breath-holding —in everyday life, it’s better to exhale and tighten your pelvic floor at the same time.

These exercises aren't off-limits forever—you can resume them as soon as your core is strong enough to handle the strain and no bulge appears when you tighten your abs.

At home or at the gym: the right equipment

You don't need much to get started at home: a non-slip exercise mat and a few gentle props, such as a small ball or a light resistance band, which you can find in our Pilates accessories section. These are great for focusing on your breathing, pelvic floor, and deep core muscles.

If a studio offers postpartum or postnatal classes, the Reformer really shines: Thanks to its finely graduated spring system, resistance can be set very low and adjusted with precision—ideal for supported, joint-friendly movements during the early recovery phase. When equipping a studio, you should look for a sturdy, durable frame and low-maintenance mechanics: Based on these criteria, steel-frame Reformers—such as the TALMA series from Hegren —score highly in terms of load-bearing capacity and stability during continuous use. Our guide, “Opening a Pilates Studio,” offers detailed planning assistance.

As an authorized dealer offering a manufacturer’s warranty, we’re here to advise you—whether you’re looking for a mat for home use or a full set of studio equipment—and we deliver in a carbon-neutral way.

Common Mistakes in Postpartum Recovery

• Too much, too soon: Jumping straight into intense abdominal workouts without getting the go-ahead and taking a postpartum recovery class.
• Ignoring your breathing: Pilates thrives on the combination of exhalation and pelvic floor engagement. If you hold your breath and strain, you’re working against yourself.
• Don't just focus on appearance: Function (no urine leakage, stable core, no doming) is more important than how your stomach looks.
• Ignore diastasis: If the midline bulges out in a cone-like shape during exercises, people often continue anyway—a clear sign that it’s time to scale back.
• Impatience: Postpartum recovery is a process that takes months. Regular, gentle exercise is better than infrequent, intense workouts.

Frequently Asked Questions

When can I start doing Pilates again after giving birth?

Usually after receiving medical clearance at your postpartum checkup (often about 6–8 weeks after giving birth) and after completing the official postpartum exercise class. If you had a C-section, you’ll usually start later. The specific clearance from your doctor or midwife always takes precedence.

Does Pilates help with rectus diastasis?

Targeted exercises for the pelvic floor and deep abdominal muscles can improve core stability and support the postpartum recovery process. Cohort data show that diastasis significantly decreases in many women during the first year. In cases of severe or persistent diastasis, physical therapy should be incorporated into the recovery plan.

Which Pilates exercises should be avoided after giving birth?

Start with crunches, sit-ups, full planks, and strong rotational or roll-up movements, because they increase pressure on the midline. You can resume these exercises as soon as your core is strong enough to handle the load and there is no longer any “doming.”

Can I do Pilates while breastfeeding?

Yes, gentle Pilates is generally fine while breastfeeding. Make sure to stay well-hydrated, wear a well-fitting nursing bra, and choose exercises that don't involve too much time on your stomach or put too much pressure on your chest.

Is a mat enough, or do I need a Reformer?

To get started at home, a mat and some simple equipment are all you need. A Reformer offers a particularly gentle progression supported by finely adjustable spring resistance—a major advantage at the studio, but not a must-have for home use.

Conclusion

Postpartum Pilates works best when approached as a patient, clearly structured progression: first, get medical clearance and take a postpartum recovery class; then focus on breathing and the pelvic floor; next, work on deep core stability—and only finally, engage the abdominal muscles fully, provided your core is strong enough to support it. Rectus diastasis is common and often resolves on its own with proper exercise for many women. Listen to your body and your physical therapist, and focus on progressing slowly rather than intensely.

Are you planning to get back into exercise at home, or are you setting up a studio that offers postnatal classes? Talk to our team —we’ll give you personalized, honest advice.

Sources: Prevalence & Risk Factors of Postpartum Rectus Diastasis (peer-reviewed, PMC) · Sperstad et al. 2016, British Journal of Sports Medicine – Prevalence of Rectus Diastasis Over Time. This article is not a substitute for medical or physical therapy advice.