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Add information on behavior.
===Foreskin in infancy and childhood===
Baby boys are born with the foreskin fused with the glans penis by a [[synechia| synechial membrane]]. The tip of the foreskin is usually too narrow to be retractedallow [[retraction of the foreskin]].
==Physiological functions==
|url=http://www.thesurgeon.net/article/S1479-666X(16)30179-2/pdf
|quote=
|pubmedID=28017691
|pubmedCID=
|DOI=10.1016/j.surge.2016.11.002
|accessdate=2019-10-23
}}</ref> Frisch & Simonsen (2016) reported the incidence of meatal stenosis to be 3.7 times higher in circumcised boys.<ref name="frisch2016"/>
}}</ref>
</blockquote>
===Sexual behavior===
Laumann ''et al''. (1997) report that men who lack a foreskin "engage in a somewhat more elaborated set of sexual practices than do men who are not circumcised. For each of the practices examined, lifetime experience of various forms of oral and anal sex and masturbation frequency in the past year, circumcised men engaged in these behaviors at greater rates. The difference between circumcised men was greatest for masturbation - ironically, a practice that circumcision was once thought to limit. A total of 47% of circumcised men reported masturbating at least once a month vs 34% for their uncircumcised peers."<ref name="laumann1997>{{REFjournal
|last=Laumann
|first=EO
|author-link=
|last2=Masi
|first2=CM
|author2-link=
|last3=Zuckerman
|first3=CW
|author3-link=
|etal=no
|title=Circumcision in the United States
|trans-title=
|language=
|journal=JAMA
|location=
|date=1997-04-02
|volume=277
|issue=13
|pages=1052-7
|url=http://www.cirp.org/library/general/laumann/
|quote=
|pubmedID=9091693
|pubmedCID=
|DOI=
|accessdate=2019-10-23
}}</ref> Cold & Taylor (1999) commented, "The increased frequency of masturbation, anal intercourse and fellatio reported by circumcised men in the USA may possibly be due to the sensory imbalance caused by circumcision. Clearly, amputation of the prepuce causes changes in sexual behaviour in human males and females.<ref name="cold-taylor1999" />
==The role of the foreskin in heterosexual relations==