IL	interleukin
LIF	leukemia inhibitory factor
RIF	recurrent implantation failure
RPL	recurrent pregnancy loss
WOI	window of implantation
ER	estrogen receptor
PR	progesterone receptor
hCG	human chorionic gonadotropin
ART	assisted reproductive technology
LH	luteinizing hormone
JAK	Janus kinase
STAT	signal transducer and activator of transcription
IL-6R	IL-6α-receptor
INF-γ	interferon-γ
TGF	transforming growth factor
IVF	in vitro fertilization
ICSI	intracytoplasmic sperm injection
TNF	tumor necrosis factor
KLF12	Krüppel-like factor 12
IL-11Rα	IL-11 receptor
PGE2	prostaglandin E2
IL-1R1	IL-1 receptor type 1
IL-1R2	IL-1 receptor type 2
IL-1Ra	IL-1 receptor antagonist
Th1/2	Type 1 T helper cells and type 2 T helper cells