title: [Determination of organochlorine insecticides in human milk in Costa Rica].
abstract: DDT and DDE were detected in the milk of 51 nursing mothers in Costa Rica. In the provinces of Puntarenas, Guanacaste and Limón, where a campaign against malaria took place during the last three decades and where crops are intensively sprayed, the amount of total DDT ranges from 0.12 to 2.60 ppm (mean 1.27 ppm), comparatively, the data of total DDT yielded an average of 0.11 ppm (range 0.01-1.22 ppm) in the provinces of San José, Heredia and Cartago, not so intensively exposed to pesticides. Higher concentrations of the metabolite DDE in 100% of the samples indicated chronic contaminations.
mesh_terms: D003364:Costa Rica; D003634:DDT / Q000032:analysis*; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis*; D005260:Female; D006801:Humans; D007300:Insect Control; D008288:Malaria / Q000517:prevention & control; D008895:Milk, Human / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis
chemical_list: D010573:Pesticide Residues; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT
vernacular_title: Determinación de plaguicidas organoclorados en leche materna en Costa Rica.