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Chorionic gonadotropin (CG) secretion within day 10 culture medium, normalized by embryo diameter (mm). Blastocysts were cultured alone as control (blast) or in the presence of decidual macrophages (dMϕ), or decidual macrophage-conditioned media (CM). Data is represented as the mean ± SE, where the asterisk denotes P < 0.05 compared to control medium.
