Fig. 17.

Peggy Cohen-Kettenis. Professor Peggy Cohen-Kettenis is Professor Emeritus of Medical Psychology at the Amsterdam UMC, Vrije Universiteit Amsterdam, the Netherlands, and was Director of the hospital’s Center of Expertise on Gender Dysphoria. She was a member of the World Professional Association for Transgender Health’s Standards of Care Committee and of the Task Force of the Endocrine Society Clinical Practice Guideline on the endocrine treatment of gender-dysphoric/gender-incongruent persons. She was Chair of APA’s DSM-5 GID subcommittee and member of the WHO ICD-11 Working Group on Sexual Disorders and Sexual Health