The following definitions are proposed by the International Continence Society and published in the THE STANDARDISATION OF TERMINOLOGY IN LOWER URINARY TRACT FUNCTION •
Urinary incontinence: "Involuntary loss of urine that is a social or hygienic problem".
Urgency Urinary Incontinence is the complaint of involuntary leakage accompanied by or immediately preceded by urgency.
Stress Urinary Incontinence is the complaint of involuntary leakage on effort or exertion, or on sneezing or coughing.
Mixed Urinary Incontinence is the complaint of involuntary leakage associated with urgency and also with effort, exertion, sneezing and coughing.
Noctunral Enuresis is any involuntary loss of urine occurring during sleep.
Overactive Bladder is characterised by the storage symptoms of urgency with or without urgency incontinence, usually with frequency and nocturia.
Overactive Detrusor Function, is characterised by involuntary detrusor contractions during the filling phase, which may be spontaneous or provoked.
Bladder diary: this records the times of micturitions and voided volumes, incontinence episodes, pad usage and other information such as fluid intake, the degree of urgency and the degree of incontinence.