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