The results shown that almost isomers dioxin levels in maternal breast milk in hot-spot are significant higher than those in control group; cortisol and cortisone concentration in saliva, in breast milk and serum of lactating mothers in hot-spot area are significant higher than those in control group; hormon DHEA concentration in maternal saliva in hot-spot is higher than in control group at moment from 4 to 16 weeks of birth.