Testicular Heat

Alternative Name: Testicular heat supplementation

Description: This method uses testicular sitz baths, a heating pad, or heated rocks to elevate the temperature of the testes. The testes must be several degrees cooler than normal body temperature in order to maintain proper spermatogenesis. Three weeks of daily treatments provides 6 months of contraception.

Product Details

User: Male

Hormonal: No

Delivery Method: Testicular

Duration Type: Short-acting

Duration: 6 months

  • daily for three weeks

Multipurpose Preventive Technology (MPT): No

Status Details

Developer: University of California at Los Angeles

Project Phase: Pre-Clinical and Clinical Development

Development Stage: Phase II

Active Development: No

Status Details:
  • Effect of testicular heat on fertility known since the 1920's and studied by John Rock among others. A comprehensive review publication by R. Swerdloff of UCLA in 1988. Already in long-term use by U.S. men seeking an alternative to condoms or vasectomy.

Additional Information

  • Kandeel FR, Swerdloff RS. (1988) Role of temperature in regulation of spermatogenesis and the use of heating as a method for contraception. Fertil Steril 49(1):1-23.

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