Sexual Intercourse

Sexual Intercourse, physical sexual activity between human beings that involves the genitals.

For information on:

• biological purpose, discussion of anatomy, and related matters, see Reproduction; Reproductive System; Gynecology: Infections and Sexually Transmitted Infections; Menopause
• physiological phases of intercourse, see Human Sexuality
• consent, see Age of Consent
• adolescent sexual relations, see Adolescence: Sexual Development
• illegal and forbidden sexual relations, see Incest; Prostitution; Rape (criminal law)
• disease transmission, see Sexually Transmitted Infections; Gonorrhea; Pelvic Inflammatory Disease; Acquired Immunodeficiency Syndrome: Modes of Transmission; Herpes: Herpes Simplex; Syphilis; Trichomoniasis
• prevention of pregnancy, see Birth Control