Yamashita H., Shao J., Ishizuka T., Klepcyk P.J., Muhlenkamp P.,Qiao L., Hoggard N., Friedman J.E. Leptin administration preventsspontaneous gestational diabetes in heterozygous Lepr(db/+) mice:effects on placental leptin and fetal growth. This evidence concerns the gene LEP and gestational diabetes.