Returning to exercise after birth: a realistic guide to doing it safely

The six-week check-up is a cultural landmark in postnatal recovery. You go in. A GP asks how you're feeling. They may do a brief examination. They say "everything looks fine, you can return to normal activity." You leave.

This is not evidence-based guidance for returning to exercise after birth. It never was.

The 2019 Canadian postnatal return-to-sport guidelines — the most comprehensive evidence review currently available — describe a staged return to exercise that takes a minimum of three months for most women and longer for those with more significant pelvic floor dysfunction, diastasis recti, or surgical birth.

This is not a counsel of despair. It is an argument for doing it properly, because the consequences of returning too quickly — prolapse, incontinence, pelvic pain, abdominal separation that doesn't heal — are things that affect women for years.

What's happening in your body in the first 12 weeks

The pelvic floor muscles and the connective tissue that supports them have been under significant load during pregnancy and have been stretched or traumatised during birth. The relaxin hormone — which increases connective tissue laxity during pregnancy — remains elevated for several months postpartum, particularly if you are breastfeeding. This means your joints and ligaments are more vulnerable to injury than usual.

The linea alba — the connective tissue that runs down the centre of the abdomen — has separated to accommodate the pregnancy in virtually every woman. This is diastasis recti. It is normal. It resolves fully in most women but requires appropriate rehabilitation. High-impact activity and heavy loading before it has adequately healed can delay or prevent closure.

The staged return

**Weeks 0–6: rest, gentle movement, pelvic floor.**

Walking is the appropriate exercise. Start with short, flat walks and build gradually. If you notice any pelvic heaviness, leaking, or pain — slow down. These are signs that your body is not yet ready for the load you're giving it.

Begin pelvic floor exercises from around day 2, with your midwife's guidance. Not Kegels in the conventional sense — gentle awareness of engaging and releasing, building gradually over weeks. An overworked pelvic floor that cannot relax is as problematic as a weak one.

**Weeks 6–12: building base fitness.**

From six weeks — if you have no symptoms of pelvic floor dysfunction — you can begin to build. Postnatal yoga. Bodyweight exercises (avoiding exercises that load the abdomen such as planks, sit-ups, and leg raises). Swimming, from around six weeks for most women (wait until any perineal wounds are fully healed).

Avoid running, jumping, heavy lifting, and high-impact classes in this phase. This is not permanent. It is a phase.

**12 weeks+: progressive return to higher impact.**

From three months, you can begin a graduated return to running, HIIT, and higher-impact activity — if you have no symptoms. The key word is graduated. Not from nothing to a 5k in a week. A couch-to-5k structure. Starting on a treadmill, which has more give than pavement. Building over eight weeks.

Diastasis recti: what to know

Most women have some degree of abdominal separation postpartum. It typically improves significantly in the first eight weeks. A gap that remains wide or that does not have tension across it may require specific rehabilitation.

Self-assessment: lie on your back, bend your knees, place your fingers horizontally across your midline at the navel. Lift your head slightly. If you feel a gap of more than two finger-widths with no tension — see a pelvic floor physiotherapist before resuming loaded abdominal exercise.

Avoid: sit-ups, crunches, planks, leg raises, or any exercise that causes your abdomen to dome or cone along the midline.

Pelvic floor physiotherapy

This is the single most useful investment in your postnatal physical recovery. A women's health physiotherapist can assess your pelvic floor function, identify any diastasis recti, and give you a personalised return-to-exercise plan.

The HSE provides referrals to pelvic floor physiotherapy; waiting times vary significantly. Private physiotherapy is available throughout Ireland, with most practitioners offering an initial 60-minute assessment.

You do not need to be symptomatic to benefit. Even if you feel "fine," an assessment gives you information about your specific body that guides your return to exercise safely.

Signs to slow down

• Leaking urine or faeces during or after exercise
• A feeling of heaviness or pressure in the pelvis
• Pain in the pelvic girdle, hips, or lower back
• Abdominal doming during exercise
• Increased postpartum bleeding (return to GP if this happens)

The thing about the six-week clearance

Your GP at six weeks is checking that you are medically well — that there are no signs of infection, that your wounds are healing, that you don't have obvious signs of prolapse or postnatal depression. This is important.

It is not an assessment of your readiness for high-impact exercise. Those are different things. The six-week clearance is not a green light for everything. It is a green light for walking, for low-impact activity, for resuming sex if you feel ready.

For everything else, build gradually, listen to your body, and — if in doubt — see a pelvic floor physiotherapist first.