Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use contraceptions currently use of contraceptions actual age (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 5,721,252 229,705 775,666 979,080 1,114,490 1,044,149 938,560 639,602 Uses at least one inefficient method, but any efficient method 316,307 5,471 24,218 35,588 49,996 59,213 62,239 79,583 Uses at least one efficient method 5,404,945 224,234 751,448 943,492 1,064,494 984,936 876,321 560,020 Uses pill 1,232,027 56,535 246,744 372,800 304,578 161,699 58,291 31,380 Uses IUD 411,728 .. 2,552 36,352 78,375 122,232 101,558 70,659 Uses diaphragm, cap, vaginal sponge 10,363 .. 414 1,078 4,795 2,010 2,066 .. Uses abstinence 197,929 26,947 30,193 34,956 32,644 14,319 26,970 31,901 Uses condom 2,627,850 155,733 514,507 503,560 510,814 406,277 342,004 194,956 Uses cycle and basal body temperature 46,905 .. 414 5,114 5,178 10,317 15,323 10,559 Uses withdrawal 450,804 13,624 50,222 58,153 71,493 91,371 77,735 88,205 Uses vaginal wash 38,680 1,725 24,818 749 2,842 2,761 2,470 3,315 Uses spermicides 30,155 1,983 2,998 2,455 8,740 6,153 2,782 5,044 Uses long breastfeeding 11,465 .. 1,663 965 3,082 5,754 .. .. Uses injection 9,513 .. 1,986 2,129 3,489 1,328 581 .. Uses the morning after pill 6,188 1,545 414 .. 3,019 1,210 .. .. Uses sterilization 607,184 .. 414 14,271 60,965 150,092 205,625 175,817 Uses vasectomy 515,446 391 1,108 12,134 108,036 162,405 155,754 75,618 Uses other methods 32,821 .. .. 3,892 2,433 7,186 6,946 12,365 Notes: Source: National Statistics Institute