noun
legal gender change; change of registered sex
Refers to the official change of one's gender on legal documents, such as the family register (戸籍). Often used in legal, administrative, or social contexts.
性別変更の手続きには、一定の要件を満たす必要がある。
To undergo a legal gender change, one must meet certain requirements.
彼女は性別変更を経て、新しい人生を歩み始めた。
After changing her legal gender, she started a new life.