Table 1.

The basic information of included dataset.

GSE No.	No. of samples	Platform	Description	Country	Character
GSE26787	5 vs. 5	Affymetrix Human Genome U133 Plus 2. 0 Array	Endometrial biopsy was performed in non conceptional cycle in the middle luteal phase of RPL and healthy fertile women (Controls).	France	URSA decidua
GSE165004	24 vs. 24	Agilent-039494 SurePrint G3 Human GE v2 8x60K Microarray 039381	The midsecretory phase endometria of patients with recurrent pregnancy losses (RPL) by comparing with the endometria of healthy fertile women (Controls).	Turkey	URSA decidua
GSE94644	7 vs. 5	Agilent-026652 Whole Human Genome Microarray 4x44K v2	Human Endometrial Stromal Cells (hESCs) obtained from normal pregnancy.	USA	Decidualization
GSE22490	5 vs. 3	[HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array	10 gene arrays, 6 in control group and 4 in cases. (Samples less than 12 weeks were selected in this study)	Estonia	URSA placenta
GSE30595	M0:14 M1:9 M2:3	Agilent-028100 HumanMacroTreg	Comparative expression analysis of CD14+ cells isolated from decidua from pregnant women, CD14+ cells isolated from non-pregnant women and different types of in vitro-generated macrophages.	Germany	Macrophage polarization