109537
However , the stretching of the urethra required by this form of intercourse has also reportedly resulted in a complete and permanent loss of urethral sphincter control ( urinary incontinence ) ; furthermore such intercourse presents a very high risk of bladder infection to the receptive partner .
 urinary incontinence, bladder infection
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 urinary incontinence, bladder infection