Urethral intercourse or coitus per urethram is sexual penetration of the female urethra by an object such as a penis or a finger. It is not the same thing as urethral sounding, the act of inserting a specialized medical tool into the urethra as a form of sexual or fetishistic activity.
The untrained insertion of foreign bodies into the urethra carries a significant risk that subsequent medical attention may be required. Documented cases of urethral intercourse appear to have occurred between heterosexual couples; a survey of the global medical literature available in 1965 reported accounts of thirteen separate cases. However, the stretching of the urethra required by this form of intercourse has also reportedly resulted in a complete and permanent loss of urethral sphincter control (urinary incontinence); furthermore such intercourse would present a very high risk of bladder infection to the receptive partner. A case of male-on-male urethral intercourse is mentioned in Bonk: The Curious Coupling of Science and Sex by Mary Roach.
- "Japan and extreme penetration: Doctors urge caution". Retrieved 1 January 2011.
- Zeigerman, Joseph H. (MD); Gillenwater, Jay Y. (MD) (22 November 1965). "Coitus per Urethram and the Rigid Hymen". The Journal of the American Medical Association 194 (8): 909–910. doi:10.1001/jama.1965.03090210073026.
- ERP (2008-01-09). "It Doesn’t Get Much More Depraved Than This…". Archived from the original on 2010-06-12. Retrieved 1 January 2011.
- Roach, Mary (2009). Bonk: the curious coupling of science and sex. New York: W.W. Norton & Co. p. 81. ISBN 9780393334791.