In the mid-20th century, the term "blue boy" was slang for a transgender or transvestite person who was assigned male at birth.
[1] In 1965, a doctor performed sex reassignment surgical operations on three trans women.
[1] The law prohibited any surgery deemed unnecessary that caused sterilization.
[1] However, the media coverage of the trial increased general knowledge of sex reassignment surgery and the transgender community in Japan.
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