Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use contraceptions currently use of contraceptions cohabitation situation. Units: absolute figures Total With spouse With stable partner in the household With stable partner out of household With occasional relations Another situation Total 5,721,252 3,773,818 303,571 1,142,503 257,651 243,709 Uses at least one inefficient method, but any efficient method 316,307 262,639 18,246 19,794 14,748 880 Uses at least one efficient method 5,404,945 3,511,178 285,324 1,122,709 242,903 242,829 Uses pill 1,232,027 644,635 103,985 374,703 36,045 72,659 Uses IUD 411,728 338,109 37,155 10,033 7,023 19,408 Uses diaphragm, cap, vaginal sponge 10,363 6,098 2,240 1,078 532 414 Uses abstinence 197,929 80,625 5,363 49,060 17,286 45,596 Uses condom 2,627,850 1,490,247 115,880 733,460 195,691 92,572 Uses cycle and basal body temperature 46,905 43,075 647 2,769 .. 414 Uses withdrawal 450,804 338,220 21,679 73,772 13,830 3,303 Uses vaginal wash 38,680 12,765 .. 15,801 9,699 414 Uses spermicides 30,155 18,677 2,529 4,620 3,914 414 Uses long breastfeeding 11,465 11,465 .. .. .. .. Uses injection 9,513 7,343 736 439 581 414 Uses the morning after pill 6,188 4,229 .. .. 1,545 414 Uses sterilization 607,184 551,570 20,032 6,278 2,188 27,116 Uses vasectomy 515,446 500,940 10,900 3,193 .. 414 Uses other methods 32,821 30,211 1,409 658 544 .. Notes: Source: National Statistics Institute