大麻暴露と胎盤機能に関連する不良妊娠結果
Torri D Metz1, Amanda A Allshouse1, Gwendolyn A McMillin1,2
1University of Utah Health, Salt Lake City.
JAMA
|December 12, 2023
まとめ
妊娠期間を超えて継続的な母体大麻使用は,妊娠期間における小児出産や早産を含む不良妊娠結果と関連しています. これは妊娠中に大麻に曝されるリスクを強調しています.
科学分野:
- 生殖 健康
- 産前医学
- 薬理学について
背景:
- 大麻の使用は生殖年齢の人々の中で増加しています.
- 妊娠中の大麻の使用が胎児の発達と母親の健康に及ぼす影響は,十分に理解されていません.
- 胎盤機能と関連していることが多い.
研究 の 目的:
- 妊婦の大麻使用と不良妊娠の結果との関連を調査する.
- 妊娠中の大麻の曝露が胎盤機能に関連する結果に影響するかどうかを判断する.
- カンナビスへの曝露のタイミングと期間を,妊娠の結果と関連して分析する.
主な方法:
- Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-Be コホートに関する補助的な分析について
- 11-nor-9-carboxy-Δ9-テトラヒドロカンナビノールに対する尿サンプル検査は,免疫測定法と液体染色体のタンデム質量スペクトロメトリを用いて行われました.
- 妊娠後の出産,早産,死産,高血圧障害などの出産は医療記録から抽象化されました.
主要な成果:
- 9257人の適格な参加者のうち,6.6%が大麻使用を報告した.
- 最初の3ヶ月を超えた大麻への継続的な暴露は,不良妊娠結果のリスクの増加と関連していました (aRR,1. 32;95%CI,1. 09-1. 60).
- 最初の3ヶ月間に限られた大麻への曝露は,有害な結果と有意に関連しませんでした.
結論:
- 妊婦の大麻使用は,特に妊娠3ヶ月以内の継続的な使用は,妊娠の悪影響と関連しています.
- これらの結果は,大麻と胎盤機能障害との関連を示唆しています.
- 妊娠中の大麻使用のリスクを完全に解明するには,さらなる研究が必要である.
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