An undescended testicle (cryptorchidism) is when a boy's testicle does not move down into the scrotum. Testicles develop inside the abdomen before birth. They move down into the scrotum just before or after birth.
Cryptorchidism. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/cryptorchidism. Accessed December 10, 2020.
Tekgul S, Dogan HS, et al; European Society for Paediatric Urology and European Association of Urology (ESPU/EAU). Guidelines on paediatric urology. EAU 2017 Mar.
Undescended testicles. Family Doctor—American Academy of Family Physicians website. Available at: http://familydoctor.org/familydoctor/en/diseases-conditions/undescended-testicles.html. Accessed December 10, 2020.
Undescended testicles. Healthy Children—American Academy of Pediatrics website. Available at: http://www.healthychildren.org/English/health-issues/conditions/genitourinary-tract/Pages/Undescended-Testicles.aspx. Accessed December 10, 2020.
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