What is Variation?
Variation
Sex-linked Disorders
Conservative Site-specific Recombination and Phase Variation
Interdisciplinary Care: The Health Care Team-I
Interdisciplinary Care: The Health Care Team-II
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Updated: Jan 29, 2026

Who is Who? Non-invasive Methods to Individually Sex and Mark Altricial Chicks
Published on: May 24, 2014
S Krege1, F Eckoldt2, A Richter-Unruh3
1Dept. of Urology, Kliniken Essen-Mitte, Germany.
New guidelines address variations of sex development (DSD), moving beyond binary gender classifications. This consensus paper offers recommendations for medical and psychosocial care, prioritizing human rights and informed decision-making for affected individuals and families.
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