Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, with two or more of live births knowledge of contraceptions age actual (years). Units: absolute figures ;Total;From 15 to 19 years old;From 20 to 24 years old;From 25 to 29 years old;From 30 to 34 years old;From 35 to 39 years old;From 40 to 44 years old;45 to 49 years; Total;3,846,616;2,782;17,350;172,743;657,831;984,866;996,416;1,014,627; Does not know any method;27,439;..;..;..;..;8,585;6,048;12,806; Knows at least one inefficient method, but any efficient method;638;..;..;..;..;..;..;638; Knows at least one efficient method;3,818,538;2,782;17,350;172,743;657,831;976,282;990,368;1,001,183; Knows pill;3,768,253;2,782;17,350;170,058;652,234;972,190;981,350;972,289; Knows IUD;3,521,472;2,782;16,066;156,457;608,298;925,806;927,456;884,607; Knows diaphragm, cap, vaginal sponge;2,854,779;1,684;10,198;126,331;524,323;793,033;725,196;674,015; Knows abstinence;3,131,299;1,098;12,725;124,328;547,904;842,671;812,429;790,143; Knows condom;3,756,962;2,782;17,350;169,907;646,816;967,946;968,536;983,624; Knows cycle and basal body temperature;2,382,282;1,684;9,443;81,862;423,120;679,820;614,603;571,751; Knows withdrawal;3,249,686;2,782;14,612;132,308;562,843;875,749;859,318;802,075; Knows vaginal wash;2,290,315;..;7,953;72,639;379,443;656,219;609,154;564,908; Knows spermicides;2,222,571;..;9,394;79,408;424,627;663,625;561,727;483,791; Knows long breastfeeding;2,126,321;1,684;7,421;91,459;367,960;603,727;535,728;518,342; Knows injection;2,140,649;2,782;13,269;99,297;386,924;605,708;548,323;484,346; Knows the morning after pill;2,170,266;2,782;10,592;88,849;406,520;613,835;560,681;487,006; Knows sterilization;3,574,740;2,782;16,066;156,737;607,160;930,410;937,987;923,598; Knows vasectomy;3,543,437;2,782;14,229;155,924;614,766;930,277;930,959;894,499; Knows other methods;305,508;1,684;4,922;11,029;54,508;81,139;87,876;64,350; Notes: Source: National Statistics Institute