AI	Adequate intake
BHMT	Betaine homocysteine methyltransferase
CDP	Cytidine diphosphate
CHKA	Choline kinase-α
CHDH	Choline dehydrogenase
CI	Confidence interval
DMG	Dimethylglycine
FMO3	Flavin monooxygenase isoform 3
GC-MS	Gas chromatography-mass spectrometry
NTD	Neural tube defect
PE	Phosphatidylethanolamine
PEMT	Phosphatidylethanolamine N-methyltransferase
PC	Phosphatidylcholine
REV	SNP is identified on the reverse strand
RS	Reproductive state
SAH	S-adenosylhomocysteine
SAM	S-adenosylmethionine
SLC44A1	Solute carrier 44A1
MTHFR	Methylene tetrahydrofolate reductase
NAFLD	Non-alcoholic fatty liver disease
NP	Non-pregnant
WT	Wildtype