Postpartum Constipation and Your Pelvic Floor, What's Actually Going On | Mum21
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    Pelvic Floor

    Postpartum Constipation and Straining: The Pelvic Floor Connection Nobody Explains

    Published 27 October 2026Last updated 27 October 20266 min readBy Ana (Anastasia Uvarova)
    Moderate evidenceMedically reviewed by Mum21 Clinical Team
    Postpartum Constipation and Straining: The Pelvic Floor Connection Nobody Explains
    In this article

    Nobody really warns you about this part. Somewhere between the hormones, the stitches you're nervous about, the painkillers, and simply not drinking enough water because you're exhausted, a lot of mothers find that going to the bathroom becomes its own ordeal in the weeks after birth. It's common, it's rarely talked about, and it's worth understanding properly rather than just pushing through it.

    It's not only about diet

    Fiber and water matter, and they're the first thing worth checking. But for many postpartum mothers, the bigger issue is coordination, not content: the pelvic floor needs to relax and lengthen to allow a bowel movement, and a pelvic floor that's been strained, guarded (from fear of pain near stitches), or is simply not coordinating well yet after birth can end up doing the opposite — tightening instead of releasing. That mismatch is what makes it feel so much harder than it used to, even when everything else about your diet is the same as before.

    Why straining matters beyond just discomfort

    Straining repeatedly against a pelvic floor that isn't releasing properly increases downward pressure on tissues that are already healing — the same pelvic floor and connective tissue involved in diastasis recti and general postpartum core recovery. It's not about one bad day; it's the repeated pattern over weeks that can slow progress elsewhere, which is why this is worth addressing directly rather than treating it as separate from your broader recovery.

    Approaches to postpartum constipation

    • Diet and water alone

      What it does
      Softens stool, genuinely helps in many cases
      Limitation
      Doesn't address a pelvic floor that isn't coordinating or releasing properly
    • Straining through it

      What it does
      Gets it over with in the moment
      Limitation
      Repeated downward pressure can work against pelvic floor and core recovery
    • Diet, water, and pelvic floor release/coordination work

      What it does
      Addresses both the stool and the mechanism that's making it hard to pass
      Limitation
      Takes a bit more awareness than diet changes alone, but addresses the actual cause for many mothers

    What helps in the meantime

    A proper toilet position — knees higher than hips, leaning slightly forward, sometimes with a low stool under your feet — genuinely changes the angle of the pelvic floor and makes release easier without straining. Pairing that with slow, relaxed breathing (rather than holding your breath and bearing down) gives the pelvic floor the cue to lengthen instead of guard. These sound small, but they're often the missing piece diet advice alone doesn't cover.

    FAQs

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    Written by

    Ana (Anastasia Uvarova)

    Women's Health Physiotherapist

    UK-qualified physiotherapist, founder of Alpha Physio Care

    UK-qualified women's health physiotherapist and founder of Alpha Physio Care. Ana designed the Mum21 12-week recovery program.

    Medically reviewed by

    Mum21 Clinical Team

    Editorial and clinical review

    Physiotherapy-led editorial team

    The Mum21 editorial team works with practising women's health physiotherapists to keep every guide accurate and current.

    Last clinical review: 27 October 2026

    Part of the Pelvic Floor topic hub, a physiotherapist-reviewed collection of guides on pelvic floor.

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