AF	amniotic fluid
BA	bile acids
CCU	color changing units
DA	discriminant analysis
FIRS	fetal inflammatory response syndrome
FoxP3	fork head box P3
GA	gestational age
GC-MS	gas–liquid chromatography–mass spectrometry
H&E	hematoxylin and eosin staining
IA	intra-amniotic
I-FABP	intestinal fatty acid binding protein
IQR	interquartile range
LXR	liver X receptor
MALDI-MSI	matrix-assisted laser desorption ionization mass spectrometry imaging
MPO	myeloperoxidase
NEC	necrotizing enterocolitis
PC	phosphatidylcholine
PCAs	principal component analyses
PI	phosphatidylinositol
SM	sphingomyelin
TCDCA	taurochenodeoxycholic acid
TCDA	taurodeoxycholic acid
Treg	regulatory T-cells
TMB	3,3′,5,5′-tetramethylbenzidine
UP	U. parvum