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→Physiological functions: Wikify.
===Foreskin in infancy and childhood===
Baby boys are born with the foreskin fused with the [[glans penis]] by the balanopreputial lamina, a [[synechia| synechial membrane]], which prevents retraction. In addition, the tip of the foreskin ([[acroposthion]]) is usually too narrow to allow [[retraction of the foreskin]]. The [[preputial cavity sac]] is closed by the synechia and cannot be infected.<ref name="fleiss-hodges-vanhowe1998"/>
Forcible attempts to retract the foreskin result in injury to the boy, so should be avoided. The first person to retract the foreskin should be the boy himself.<ref name="Wright1994">{{REFjournal
|accessdate=2019-11-14
}}</ref>
===Foreskin in adolescence===
The foreskin is in a transitional state during puberty and adolesence in which it is changing from the non-retractile foreskin of childhood to thh fully retractable foreskin of adulthood. Many adolescents complain of a non-retractable foreskin. Many need to do manual [[stretching]]. They usually achieve full retraction by age 16.
|ISBN=978-0-553-20429-2
|accessdate=2022-06-16
}}</ref> misled medical science into believing that the foreskin had no function. This meant the foreskin could be excised without doing harm. In actuality, the foreskin has many functions, so its [[amputation]] does [[Bodily harm| great harm]].<ref name="hill2017">{{REFjournal
|last=Hill
|first=George
As previously reported, the foreskin reduces the force required for penetration of the female partner's [[vagina]] by as much as ninety percent.<ref name="taves2002"/> The [[gliding action]] of the foreskin reduces friction and abrasion, while conserving vaginal lubrication.<ref name="warren-bigelow1994"/>
In a first of its kind, O'Hara & O'Hara (1999) carried out a retrospective survey of 138 women with experience of both [[intact]] and [[circumcised]] partners. The women overwhelmingly concurred that the mechanics of [[sexual intercouse| coitus]] was different for the two groups of men. Of the women, 73% reported that [[circumcised ]] men tend to thrust harder and deeper, using elongated strokes, while unaltered men by comparison tended to thrust more gently, to have shorter thrusts, and tended to be in contact with the mons pubis and [[clitoris]] more, according to 71% of the respondents. Women with [[intact]] partners had a higher rate of orgasms than women with [[circumcised]] partners. O'Hara & O'Hara concluded:
<blockquote>Clearly, the anatomically complete penis offers a more rewarding experience for the female partner during coitus. While this study has some obvious methodological flaws, all the differences cannot be attributed to them. It is important that these findings be confirmed by a prospective study of a randomly selected population of women with experience with both types of men. It would be useful to examine the role of the foreskin in other sexual activities. Because these findings are of interest, the negative effect of circumcision on the sexual enjoyment of the female partner needs to be part of any discussions providing '[[informed consent]]' before circumcision.<ref name="ohara1998">{{REFjournal
|last=O'Hara
==Videos==
<b>Why you need to pull back your foreskin.</b>
<youtube>v=PcxwW4KH3Wg</youtube>
<br>
Pathologist [[Ken McGrath]], Senior Lecturer in Pathology at the Faculty of Health, [https://www.aut.ac.nz/ Auckland University of Technology] and Member of the New Zealand Institute of Medical Laboratory Scientists, discusses the neurological structures in the foreskin: