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In the United States, most people are assigned both a biological sex and gender at birth based on their chromosomes and reproductive organs.…
GenderGender-nonconforming peopleGender transitionGender expressionGender NonconformityIn 1904, physician William Henry Walling published Sexology, a family medicine reference book. In his book, Walling proposed that his guidance would…
LiteratureMasturbationCoitus interruptusSexSexologyHermaphrodites and the Medical Invention of Sex, by historian of science Alice Domurat Dreger, was published in 1998 by Harvard University Press. In…
LiteratureIntersex peopleGonads--DiseasesDisorders of Sex DevelopmentSex