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. Units: 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, Notes: Source: National Statistics Institute