For children compared in two groups of cesarean section and vaginal delivery, obesity status: 22.58% vs 14.42%; wheezing: 40.69% vs 28.6%; skin allergy: 22.08% vs 13.27%; medical examination many times: 38.46% vs to 22.2%; number of hospital admissions: 20.84% vs 13.04%; p < 0.01.