From:  Pregnancy depends on a delicate balance of immune activation and regulation

 The role of macrophages in implantation failure

TreatmentDevelopment of corpus luteumSerum progesteroneEndometriumImplantation
Deplete CD11b+-pan-MΦ↓↓Proliferation phase↓
Deplete CD206+-M2-MΦNormalNormalProliferation phase↓
(M2-MΦs are essential for the differentiation of endometrial epithelial cells)
↓:

decreased; MΦ: macrophage