Tightness of the vaginal wall during vaginal penetration including sexual intercourse. it is caused by involuntary spasm of the pelvic floor muscles, and results in painful intercourse or failure to have intercourse. it may due to psychological conditions, trauma in the vaginal area, or vaginal infection.

Vaginismus is a condition in which involuntary muscle spasm interferes with vaginal intercourse or other penetration of the vagina. This often results in pain with attempts at sex...