Table 6.

Examples of hair metabolomic studies associated with complicated pregnancies.

Sample specimen	Participants (n)	Outcomes	Analytical platforms	Metabolites	Statistical analysis	References
Maternal hair	83(41 FGR,42 Controls)	FGR vs Controls	GC-MS	5 discriminating metabolites (lactate, levulinate, 2-methyloctadecanate, tyrosine, and margarate) were observer between FGR and normal pregnancies	P<0.01	[145]
Maternal hair	94(47 GDM,47 Controls)	GDM vs controls	GC-MS	adipic acid significantly elevated in GDM compared to the control group (P=0.002)	P<0.05	[146]