| HLA-G | Human leukocyte antigen-G |
| MFI | Maternal–fetal interface |
| EVT | Extravillous cytotrophoblast |
| MHC | Major histocompatibility complex |
| dNK | cells Decidual Natural killer cells |
| mAb | Monoclonal antibody |
| APC | Antigen-presenting cells |
| ILT-2 | (LILRB1) Immunoglobulin-like transcript 2 |
| ILT-4 | (LILRB2) Immunoglobulin-like transcript 4 |
| KIR2DL4 | Killer cell immunoglobulin-like receptor 2DL4 |
| DSCs | Decidual stromal cells |
| FACS | Fluorescence activated cell sorting |
| Vim | Vimentin |
| CK7 | Cytokeratin 7 |
| ELISA | Enzyme-linked immunosorbent assay |
| PBMC | Peripheral blood mononuclear cells |
| DMC | Decidual mononuclear cells |
| IHC | Immunohistochemistry |