 The dietary intervention will begin in the sixth month of pregnancy and will conclude to the third month of lactation though there will improve itself the importance of a mother lactation up to 6 month postpartum. There will be obtained samples of blood 5 mL of the mothers in the moment of the capture, in the childbirth and to 3 postpartum months. There will take a sample of blood of umbilical cord 5mL in the moment of the childbirth vein and artery. In addition there will take a sample of blood of the child 5mL to 2.5 months. There will take also samples of mother milk 10mL, concretely of colostrum 2-3 postpartum days and of matureripe milk to 1, 2, 3 months. The samples will be preserved in freezer of-80oC and sent to the different laboratories due preserved participants in order that there does not break the cold chain dry ice. In the first year of life of the child there will be practised tests of motive and cognitive development Bayleys test and Fagans test in order to evaluate the influence of the dietetic intervention on the mother in the development of the child. 