To provide a fetus electrocardiographic signal processing method and a fetus electrocardiographic signal processing device capable of properly selecting a signal including surely a fetus electrocardiographic component from a plurality of signals separated by a reference system independent component analysis method.SOLUTION: A fetus electrocardiographic signal processing method of the invention comprises: a fetus feature display signal extraction step for extracting a fetus feature display signal by processing a signal which is separated by a reference system independent component analysis method from a plurality of channels of biological signals acquired from the body of a mother in pregnancy； and a mother body electrocardiographic signal removal step for acquiring a fetus feature signal including many electrocardiographic signals of the fetus by removing a signal at the timing when an electrocardiographic signal of the body of the mother may appear, from the fetus feature display signal extracted by the fetus feature display signal extraction step.SELECTED DRAWING: Figure 1【課題】参照系独立成分分析法により分離された複数の信号から胎児心電成分を確実に含む信号を適切に選択できる胎児心電信号処理方法及び胎児心電信号処理装置を提供する提供すること。【解決手段】本発明の胎児心電信号処理方法は、妊娠中の母体より取得された複数チャネルの生体信号から参照系独立成分分析法により分離された信号を処理して胎児特徴表示信号を抽出する胎児特徴表示信号抽出ステップと、胎児特徴表示信号抽出ステップにより抽出された胎児特徴表示信号から母体の心電信号が出現される可能性のあるタイミングの信号を除去することで、胎児の心電信号を多く含む胎児特徴信号を得る母体心電信号除去ステップと、を備える。【選択図】 図１
