1C	one carbon
5mC	5-methylcytosine
ACTB	actin βeta
BHMT	betaine-homocysteine methyltransferase
BME	basal medium eagle
COC	cumulus–oocyte complex
CpG	cytosine-phosphate-guanine dinucleotide
FCS	fetal calf serum
GOI	gene of interest
Hcy	homocysteine
HepG2	human liver cancer cell line
HPLC	high performance liquid chromatography
ICM	inner-cell mass
IVC	in vitro culture
IVF	in vitro fertilization
IVM	in vitro maturation
IVP	in vitro embryo production
KGN	human granulosa-like tumor cell line
LC-MS/MS	liquid chromatography-tandem mass spectrometry
LOS	large offspring syndrome
MAT1A	methionine adenosyltransferase 1A
MAT2A	methionine adenosyltransferase 2A
PBS	phosphate buffered saline
PVA	poly-vinyl alcohol
qPCR	quantitative real-time polymerase chain reaction
RRBS	reduced representation bisulfite sequencing
SAM	S-adenosylmethionine
SAH	S-adenosylhomocysteine
TE	trophectoderm