Fig. 6From: Metformin ameliorates maternal high-fat diet-induced maternal dysbiosis and fetal liver apoptosisImmunohistochemical analysis of IL-6 expression in the fetal liver and ileum. (a) IL-6 staining of the fetal liver and (b) fetal ileum. The results of semi-quantitative analysis are shown in (c) and (d). NCD: normal-chow diet, HFD: high-fat diet, HFMf: high-fat diet co-treated with metformin during pregnancy (n = 6), * P < 0.05Back to article page