Objective To explore the effects of congenital lead exposure on physique indicators and mineral nutrition status in developmental offspring of rats. Methods The animal model of congenital lead exposure was established with the use of similar genetic background Sprague Dawley pregnant rats drinking freely 0.1%(low-dose group,LG)and 0.2%(high-dose group,HG)lead acetate solution.The normal control group(NG)was also established.Dynamic measurement of the weights and the tail lengths were adopted to show the phy...