Medical pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. If one person is penetrated by two objects, it is generically called double penetration . Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. See also Gay-for-pay. Some POV/gonzo porn sometimes breaks the strict point-of-view convention. Women with women Main article: Lesbianism in erotica: Lesbianism in contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience. The warm sensation felt when urine trickles on the body seems to give very relaxing and pleasurable feelings to the person. Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, movies, or drawings. Those with diaper-related paraphilias differ widely in their focus of attention. Since mammary intercourse is a non-penetrative sex act, the risk of passing a sexually transmitted infection that requires direct contact between the mucous membranes and pre-ejaculate or semen is greatly reduced. Evolutionary psychologists suggest that rounded buttocks may have evolved hentai videos to be desirable trait because they provide a visual indication of the woman youth and fertility. Erotic spankings are commonly combined with other forms of sexual foreplay. Behind the Green Door was one of the first pornographic films to feature sex between a white actress with a black actor . Works in this genre may be considered adult for any number of reasons. In the 18th and 19th centuries, horny milfs some European theologians and physicians described it as heinous, deplorable, and hideous, but during the 20th century, these taboos generally declined. This type of pornography gay movies is almost exclusively hentai, as true hermaphroditic humans are not fertile and are not usually found in nature.
