Vaginal sex
Vaginal sex or vaginal intercourse is human sexual behavior involving the vagina, especially, but not limited to, the insertion of the erect penis into the vagina. The use of sex toys and other activities involving the vagina can be considered vaginal sex as well. In many cultures limitations are imposed upon vaginal sex, for instance specifying it is only permissible within marriage.
See also Intromission
External links W. W. Schultz, P. van Andel, I. Sabelis, E. Mooyaart. Magnetic resonance imaging of male and female genitals during coitus and female sexual arousal. BMJ 1999;319:1596-1600 (18 December).
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