Fig. 2.

Linear association between individual maternal serum metabolites and birthweight-for-gestational age Fenton z-score. Super-pathways and sub-pathways were identified using the annotation mapping file. Significant associations between metabolites and z-scores were identified at a 5% significance threshold, while accounting for all metabolites and their correlation. All analyses were adjusted for maternal age, ethnicity, education level, pre-pregnancy body mass index, and week of serum collection.