Phase 1 will involve a mailed out screening questionnaire survey of a sample of 50-60 women with CF and 50-60 women with COPD to investigate the prevalence of incontinence in these populations. For subjects requiring assistance an independent physiotherapist is available to assist them with completion of the questionnaire over the telephone. Return stamped addressed envelopes will be provided to each subject in the initial mail-out. The following types of incontinence will be investigated: stress incontinence, urge incontinence, faecal incontinence, faecal urgency, nocturnal enuresis, voiding dysfunction, insensible urine loss, defaecation difficulty, known prolapse, childhood enuresis.