Risk Factors for Pelvic Floor Dysfunction

Modifable risk factors

  • A body mass index (BMI) over 25 kg/m2
  • Smoking
  • Lack of exercise
  • Constipation
  • Diabetes

Non-modifiable risk factors

  • Age (risk increases with increasing age)
  • Family history of urinary incontinence, overactive bladder or faecal incontinence
  • Gynaecological cancer and any treatments for this
  • Gynaecological surgery (such as a hysterectomy)
  • Fibromyalgia
  • Chronic respiratory disease and cough (chronic cough may increase the risk of faecal incontinence and flatus incontinence)

Related to pregnancy:

  • Being over 30 years when having a baby
  • Having given birth before their current pregnancy

Related to labor:

  • Assisted vaginal birth (forceps or vacuum)
  • A vaginal birth when the baby is lying face up (occipito-posterior)
  • An active second stage of labour taking more than 1 hour
  • Injury to the anal sphincter during birth

This content is based on guidance from the National Institute for Health and Care Excellence (NICE). It has been summarized and rephrased for informational purposes only. For the full, official guidelines, please visit the NICE website at https://www.nice.org.uk/guidance/ng210/chapter/recommendations#risk-factors-for-pelvic-floor-dysfunction