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Correct date; wikify "dartos".
'''Ballooning of the foreskin''' occurs when urine flows out of the urethra of the [[penis]] faster than it flows out of the [[foreskin]] of an intact boy. Ballooning cannot occur until the inner layer of the foreskin has separated from the [[glans penis]] with which it is attached by a [[synechia]]. Ballooning is a developmentally normal condition. Ballooning may cause some transient, temporary discomfort if it pulls apart the synechial connection to the glans penis.
The layer of [[dartos ]] muscle in the foreskin keeps the tip closed to protect the penis from infection.<ref name="fleiss-hodges-vanhowe1998">{{REFjournal
|last=Fleiss
|first=P.
}}</ref> The pressure of the urine is necessary to open it to allow passage of urine. The pressure is what causes the ballooning.
Babu ''et al''. (20052004) compared boys with ballooning with boys without ballooning. No evidence of obstructed urinary flow was found. Ballooning is a self-limiting condition that disappears with normal development.<ref name="babu2005">{{REFjournal
|last=Babu
|first=Ramesh