There is accompanying reduction of uNK cells and elevation of CD3+ lymphocytes (102), as well as CD68+ macrophages, CD163+ M2 macrophages, CD1a+ interstitial dendritic cells, CD83+ myeloid dendritic cells, and CD8+ T cells (103), in the endometrium of infertile individuals with PCOS. Here, CD8A is linked to polycystic ovary syndrome.