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The Prader scale or Prader staging, named after Andrea Prader, is a coarse rating system for the measurement of the degree of virilization of the genitalia of the human body[1][2] and is similar to the Quigley scale. It primarily relates to virilization of the female genitalia in cases of congenital adrenal hyperplasia (CAH) and identifies five distinct stages, but in recent times has been used to describe the range of differentiation of genitalia, with normal infant presentation being shown on either end of the scale, female on the left (0) and male on the right (6).[3]
- ^ White PC, Speiser PW; Speiser (June 2000). "Congenital adrenal hyperplasia due to 21-hydroxylase deficiency". Endocr. Rev. 21 (3): 245–91. doi:10.1210/edrv.21.3.0398. PMID 10857554.
- ^ Prader, Andreas (1954). "Der genitalbefund beim pseudohermaphroditismus femininus der kengenitalen adrenogenitalen syndroms". Helvetica Paediatrica Acta. 9: 231–248. NAID 10016356364.
- ^ Jorge, Juan Carlos; Echeverri, Carolina; Medina, Yailis; Acevedo, Pedro (January 2008). "Male Gender Identity in an XX Individual with Congenital Adrenal Hyperplasia". The Journal of Sexual Medicine. 5 (1): 122–131. doi:10.1111/j.1743-6109.2007.00558.x. PMID 17655659.