Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years knowledge 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 10,165,237 5,247,338 386,866 1,617,623 419,345 2,494,064 Does not know any method 91,110 32,520 2,520 5,890 .. 50,180 Knows at least one inefficient method, but any efficient method 1,911 638 .. 1,273 .. .. Knows at least one efficient method 10,072,216 5,214,181 384,346 1,610,461 419,345 2,443,884 Knows pill 9,978,426 5,158,582 378,401 1,596,832 414,942 2,429,669 Knows IUD 9,188,162 4,860,989 356,516 1,477,385 375,790 2,117,483 Knows diaphragm, cap, vaginal sponge 7,840,353 4,038,950 297,741 1,309,117 348,811 1,845,734 Knows abstinence 8,149,443 4,366,452 295,180 1,273,966 352,849 1,860,996 Knows condom 9,947,746 5,149,904 370,568 1,603,755 418,397 2,405,122 Knows cycle and basal body temperature 5,880,425 3,437,738 229,164 796,532 233,483 1,183,507 Knows withdrawal 8,306,445 4,536,481 330,809 1,294,127 337,412 1,807,616 Knows vaginal wash 5,953,683 3,232,413 231,974 892,307 271,627 1,325,361 Knows spermicides 6,415,894 3,240,400 243,330 1,134,222 299,591 1,498,350 Knows long breastfeeding 4,593,910 2,925,689 181,390 505,393 161,246 820,192 Knows injection 5,255,716 2,999,532 241,931 687,059 214,293 1,112,901 Knows the morning after pill 6,930,940 3,210,091 267,761 1,296,064 354,564 1,802,460 Knows sterilization 9,461,088 4,918,360 357,958 1,517,153 399,993 2,267,623 Knows vasectomy 9,345,892 4,874,205 356,595 1,509,213 388,991 2,216,887 Knows other methods 803,867 449,995 23,819 90,301 62,257 177,496 Notes: Source: National Statistics Institute