Changes

[[Image:Side by side retraction.png|right|thumb|A human penis before and after retraction of the foreskin.]]

In the majority of adult men, the [[foreskin]] normally retracts to reveal the [[glans penis| head of the penis]]. In newborns, it is common for the foreskin to be fused to the head of the penis by the [[synechia]], thus rendering it non-retractable. The preputial cavity is sealed by the [[synechia]].<ref name="fleiss-hodges-vanhowe1998">{{TaylorJR LockwoodAP TaylorAJ 1996}}</ref> The [[foreskin]] usually separates from the glans and becomes retractable with increasing age. There is much uncertainty among health care workers about when the foreskin of a boy should become retractable.<ref>{{REFjournal