Objective: To estimate the percentage of adaptation of the energy expense measured with the techniqueof the monitoreo of heart frequency regarding the effective international energy recommendations s deof the FAO / OMS / UNU 2004 in women in fertile age with agricultural activity of four villages of thedistrict of Campoverde, province Coronel Portillo, department Ucayali, Peru.Method: Traverse and analytic study. It was carried out in the villages - The Winners, The Pines,Good Grass and twenty-three October of the district of Campoverde during December of 2005 to Januaryof 2006.Of 102 women in fertile age that they were visited in their housing 61 (59,81%) they qualified, theyaccepted and they committed to participate in the study.Results: The average of the estimated energy necessities according to the equations of the FAO / OMS/ UNU 2004 was 2 047,66 ± 192,11; 2 372,73 ± 288,16; y 2 ...