an increasing trendp =0.040
Unlike the Ccl2 levels, the CCL2 concentrations in the uterus did not change between gestational days (figure 4D ); however, they displayed an increasing trend from GD20 to 22 in the fetal membranes (figure 4E ) and from GD17 to 22 in placenta ( p =0.040, figure 4F ).