Moreover, one report suggested that RIF patients with CE exhibited a substantial overexpression of uterine CD68(+) macrophages, CD83(+) mature dendritic cells, CD8(+) T cells, and Foxp3(+) regulatory T cells, which may contribute to decreased endometrial receptivity and repeated pregnancy failures (Li et al., 2020). The gene discussed is CD8A; the disease is cholesteryl ester measurement.