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Backトランスジェンダー男性の卵子から生まれた子、父子関係認めず 東京家裁に提訴
トランスジェンダー男性の卵子から生まれた子、父子関係認めず 東京家裁に提訴
NEWS
時事通信9/18/2026Law1 min readJapanView translation

トランスジェンダー男性の卵子から生まれた子、父子関係認めず 東京家裁に提訴

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トランスジェンダー男性が性別適合手術前に採取した卵子を用い、パートナーが出産した子について、男性が父子関係を求めて東京家裁に提訴した。自治体は「血縁上の父子関係がない」として認知届を受理しておらず、司法判断が注目される。

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Why It Matters

トランスジェンダー男性が性別適合手術前に採取した卵子を使用し、パートナーが出産したケースにおける法的な親子の認知に関する訴訟。

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トランスジェンダー男性の卵子から産まれた子どもと男性の父子関係を認めるよう求める訴えが18日、東京家裁に起こされた。男性を戸籍上の父にするよう自治体に届けたが、「血縁上の父子関係が存在しない」との理由で受理されなかったという。

訴状などによると、東京都に住む40代の女性は2024年11月、当時パートナーだったトランスジェンダー男性が性別適合手術前に採取した卵子と、ドナーからの提供精子を使って出産。その後、戸籍上の性別を変更した男性と25年2月に結婚し、子どもの認知届を提出したが、受理されなかった。

女性側は「実際に卵子を提供した男性が『父』になったところで、何の問題もない」と主張。男性も認知を望んでいるにもかかわらず認められないのは、子どもの福祉に反すると訴えた。

代理人の仲岡しゅん弁護士は、子どもは男性の卵子によって生まれているとし、「血縁関係は明らか。性的少数者の権利が全く保障されていない現状を如実に表している」と話した。

Open Questions

  • 東京家裁は血縁関係の定義をどう解釈するか
  • 今後の法改正に影響を与えるか

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This article was originally published by 時事通信.

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