Objective To explore the mechanism and effect of maternal high-fat diet before and during pregnancy on bone growth of neonatal offspring rats. Methods Forty female Sprague-Dawley rats were divided into high-fat diet and control groups(n=20) that were fed with 35% high-fat diet and standard chow,respectively. After 8 weeks,8 female rats from each group were sacrificed for liver pathological examinations and the other female rats were mated with male rats and fed continuously with 35% high-fat diet and standa...