Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years knowledge of contraceptions level of studies. Units: absolute figures ;Total;Illiterate;Without studies;Primary education and second grade, GBE or first year of GCSE;Secondary Education and Post-secondary non-higher;1º, 2º and intermediate technical-professional studies;Higher level technical-professional studies;First year of tertiary education;Tertiary education, university graduates and doctors; Total;10,165,237;29,627;191,792;4,774,814;1,957,740;1,615,916;38,349;632,679;924,320; Does not know any method;91,110;4,069;2,504;61,124;5,594;11,991;..;5,828;..; Knows at least one inefficient method, but any efficient method;1,911;..;..;638;1,273;..;..;..;..; Knows at least one efficient method;10,072,216;25,558;189,288;4,713,052;1,950,873;1,603,925;38,349;626,852;924,320; Knows pill;9,978,426;18,491;179,290;4,644,900;1,947,950;1,599,415;38,349;626,852;923,179; Knows IUD;9,188,162;7,817;131,453;4,147,036;1,841,141;1,506,072;38,349;617,816;898,478; Knows diaphragm, cap, vaginal sponge;7,840,353;2,360;71,743;3,282,285;1,698,815;1,322,530;29,221;585,756;847,643; Knows abstinence;8,149,443;13,386;115,196;3,449,395;1,726,989;1,339,717;31,283;585,754;887,723; Knows condom;9,947,746;22,301;184,364;4,625,062;1,940,661;1,588,191;38,349;625,141;923,677; Knows cycle and basal body temperature;5,880,425;783;41,825;2,246,743;1,265,609;1,013,728;25,844;529,442;756,452; Knows withdrawal;8,306,445;13,479;129,476;3,584,879;1,686,333;1,388,522;32,643;588,341;882,771; Knows vaginal wash;5,953,683;2,444;50,897;2,371,585;1,236,966;1,041,421;18,119;503,924;728,328; Knows spermicides;6,415,894;2,363;43,323;2,436,960;1,452,573;1,153,359;24,061;531,274;771,981; Knows long breastfeeding;4,593,910;7,208;55,901;1,861,796;867,530;812,361;18,684;402,391;568,039; Knows injection;5,255,716;3,602;68,125;2,317,795;974,731;888,320;20,651;426,115;556,377; Knows the morning after pill;6,930,940;3,178;52,553;2,684,120;1,574,694;1,229,074;25,523;540,432;821,366; Knows sterilization;9,461,088;13,751;150,901;4,345,105;1,859,479;1,537,487;35,632;615,255;903,478; Knows vasectomy;9,345,892;11,332;141,617;4,262,927;1,863,672;1,522,278;35,632;612,772;895,662; Knows other methods;803,867;588;5,729;281,325;154,173;149,478;1,529;88,118;122,927; Notes: Source: National Statistics Institute