ART	Assisted reproductive technology;
AA	Arachidonic acid;
ALA	Alpha-linolenic acid;
AR	Androgen receptor;
BMP2	Bone morphogenetic protein 2;
CAM	Cell adhesion molecule;
COUP-TFII	Chicken ovalbumin upstream promoter transcription factor-2;
COX	Cyclooxygenase;
cPLA2	cytoplasmic phospholipase A2;
DCs	Dendritic cells;
DHA	Docosahexaenoic acid;
DHEA	Dehydroepiandrosterone;
dNK	Decidual natural killer;
DSCs	Decidual stromal cells;
EPA	Eicosapentaenoic acid;
ER	Estrogen receptor;
ESCs	Endometrial stromal cells;
FKBP52	FK506-binding protein;
FOXO1	Forkhead box-O1;
GLUT1	Glucose transporter-1;
GnRH	Gonadotropin-releasing hormone;
Hand2	Heart and neural crest derivatives-expressed protein 2;
HB-EGF	Heparin-binding EGF-like growth factor;
HPA	Hypothalamic-pituitary-adrenal;
HPG	Hypothalamic-pituitary-gonadal;
ICAM-1	Intercellular adhesion molecule-1;
ICM	Inner cell mass;
IHH	Indian hedgehog;
LA	Linoleic acid;
LPA	Lysophosphatidic acid;
LPA3	Lysophosphatidic acid receptor-3;
NCOA6	Nuclear receptor coactivator-6;
NK	Natural Killer;
PCOS	Polycystic ovarian syndrome;
PGE2	Prostaglandin E2;
PGF2$\alpha$	Prostaglandin F2$\alpha$;
PGs	Prostaglandins;
PPAR-$\delta$	Peroxisome proliferator-activated receptor-$\delta$;
PPAR$\alpha$	peroxisome-activated receptor-alpha;
PRs	Progesterone receptors;
ROS	Reactive oxygen species;
RXR	Retinoic acid X receptor;
S1P	Sphingosine 1-phosphate;
Sphk	Sphingosine kinase;
SPP1	Secreted phosphoprotein 1;
SRC2	Steroid receptor coactivator2;
Tregs	Regulatory T cells;
uDCs	uterine Dendritic cells;
VCAM-1	Vascular cell adhesion molecule-1.