Editing Sexual intercourse (section)

===General===
{{See also|Sexual ethics|Religion and sexuality|Sex and the law}}
[[File:Erotic scenes Louvre G13 n4.jpg|thumb|Erotic painting on ancient Greek [[kylix]]]]
While sexual intercourse, as coitus, is the natural mode of reproduction for the human species, humans have intricate moral and ethical guidelines which regulate the practice of sexual intercourse and vary according to [[religion and sexuality|religious]] and governmental laws. Some governments and religions also have strict designations of what they consider appropriate and inappropriate sexual behavior, which include restrictions on the types of sex acts which are permissible. A historically prohibited or regulated sex act is anal sex.<ref>[[William N. Eskridge Jr.]] Dishonorable Passions: Sodomy Laws in America, 1861–2003. (2008) Viking Adult. {{ISBN|0-670-01862-7}}</ref><ref>Noelle N. R. Quenivet. Sexual Offenses in Armed Conflict & International Law. (2005) Hotei Publishing. {{ISBN|1-57105-341-7}}</ref>