Urinary incontinence:The unintentional loss of尿液. Inability to hold urineinthebladderdue to loss ofvoluntarycontrolover theurinarysphincters resulting in theinvoluntarypassage of urine.
One cause of urinaryincontinenceis an overactive bladder. There is a sudden involuntarycontractionof the肌肉发达的wall of the bladder resulting inurinary urgency, an immediate unstoppable need to urinate.
