Fig. 1From: Identification and validation of diagnostic biomarkers for intrahepatic cholestasis of pregnancy based on untargeted and targeted metabolomics analyses of urine metabolite profilesPrinciple component analysis (PCA) score plots based on the UHPLC-Q-TOF/MS data of urine samples. The distribution of metabolic profiles for the test samples and quality control (QC) samples in PCA. (A) Positive ion mode; (B) Negative ion mode. N2, normal samples; T2, intrahepatic cholestasis of pregnancy samplesBack to article page