Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use or have used contraceptions actual age (years) 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; From 15 to 19 years old;268,004;202,158;51,555;14,292; From 20 to 24 years old;936,549;589,131;262,987;84,432; From 25 to 29 years old;1,267,084;643,339;416,419;207,327; From 30 to 34 years old;1,412,495;567,937;580,973;263,584; From 35 to 39 years old;1,318,868;550,544;485,937;282,387; From 40 to 44 years old;1,186,826;527,730;394,828;264,268; 45 to 49 years;986,232;506,116;295,931;184,185; Notes: Source: National Statistics Institute