日本における妊娠中の母体組成と新生児の出生体重の関係
Eriko Eto1, Masakazu Kato1, Satoe Kirino1
1Department of Obstetrics and Gynecology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.
JMA journal
|February 12, 2026
まとめ
日本人の妊婦の妊娠中の母体組成の変化は,妊娠前のBMIによって異なります. 脂肪のない質量は出生体重に肯定的な影響を及ぼし,脂肪の質量増加は,特定のBMIグループで否定的な関連を示しています.
科学分野:
- 産婦人科と産婦人科を担当しています.
- 妊産婦・胎児医学について
- 栄養科学とは,栄養科学である.
背景:
- 母親の体組成は,妊娠の結果に大きな影響を与えます.
- 妊娠前のさまざまなボディマス指数 (BMI) カテゴリーのこれらの変化を理解することは,母と乳児の健康を最適化するために不可欠です.
- これまでの研究は,日本人の集団におけるこれらのダイナミクスを完全に解明できませんでした.
研究 の 目的:
- 日本人の妊婦の妊娠中の母体組成の変化を調査する.
- 妊娠前のBMIによって層分化された,母親の体組成パラメータと新生児の出生体重の関係を調べる.妊娠前のBMI.
主な方法:
- 1851人の妊婦の日本人女性を対象に研究が行われました.
- TANITA MC-190EM.EMを使用して,母親の体組成を評価しました.
- 多変数回帰を含む統計分析により,BMIカテゴリーにおける体質メトリックと出生体重との関連が評価されました.
主要な成果:
- 無脂肪質量 (FFM),全体水量 (TBW),および筋肉質量 (MM) は,三半期にわたって有意に増加しました.
- 脂肪質量 (FM) は,特に過体重および肥満のグループでは,限られた変化を示した.
- FFMは,正常体重と超体重のグループで出生体重と正の関連があったが,FMの増加は,体重不足と正常体重のグループで負の関連があった.
結論:
- 妊娠中の母体組成の変化は変動し,日本人の妊娠前のBMIの影響を受けます.
- 母親の体組成と出生体重の関連性はBMIに依存しています.
- 根本的なメカニズムを探求し,これらの発見を確認するためにさらなる研究が必要である.
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