Types of Sex

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Oral sex involves using the mouth, including the lips, tongue, and teeth, to stimulate a sexual partner's genitals (i.e., his or her external reproductive organs). It often involves kissing, licking, sucking, nibbling, and blowing.

Oral sex is performed by heterosexual couples, by men who have sex with men (MSM), and by women who have sex with women (WSW). When oral sex is performed on a male, it is called fellatio (pronounced fĕl-ā’-shē-ō) and when it's performed on a femaile, it is c...Read the full article