Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use or have used contraceptions number of live births medical advice for use of contraceptions. Unidades: absolute figures ,Total,Does not visit a medical center,Visits a public center,Visits a private center, Total,7.376.058,3.586.955,2.488.629,1.300.474, None,2.388.662,1.423.811,611.871,352.980, One,1.452.955,629.014,534.482,289.458, Two,2.463.589,1.051.125,929.499,482.965, Three,793.761,367.773,294.575,131.413, Four,184.191,73.400,76.942,33.849, Five and more,92.901,41.831,41.260,9.809, Average,1,36,1,22,1,53,1,42, Notas: Fuente: National Statistics Institute