Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years knowledge of contraceptions marital status. Unidades: absolute figures Total Single Married Widows Separated or divorced Total 10.165.237 4.454.390 5.247.338 89.042 374.467 Does not know any method 91.110 58.590 32.520 .. .. Knows at least one inefficient method, but any efficient method 1.911 1.273 638 .. .. Knows at least one efficient method 10.072.216 4.394.527 5.214.181 89.042 374.467 Knows pill 9.978.426 4.360.197 5.158.582 87.517 372.131 Knows IUD 9.188.162 3.898.427 4.860.989 80.195 348.552 Knows diaphragm, cap, vaginal sponge 7.840.353 3.446.025 4.038.950 55.448 299.930 Knows abstinence 8.149.443 3.388.570 4.366.452 77.045 317.376 Knows condom 9.947.746 4.344.186 5.149.904 86.698 366.958 Knows cycle and basal body temperature 5.880.425 2.143.854 3.437.738 37.501 261.332 Knows withdrawal 8.306.445 3.362.433 4.536.481 72.541 334.990 Knows vaginal wash 5.953.683 2.430.786 3.232.413 43.526 246.958 Knows spermicides 6.415.894 2.886.617 3.240.400 45.255 243.621 Knows long breastfeeding 4.593.910 1.417.011 2.925.689 42.702 208.508 Knows injection 5.255.716 1.964.891 2.999.532 52.775 238.518 Knows the morning after pill 6.930.940 3.436.048 3.210.091 43.691 241.110 Knows sterilization 9.461.088 4.110.685 4.918.360 79.921 352.122 Knows vasectomy 9.345.892 4.042.937 4.874.205 81.306 347.442 Knows other methods 803.867 328.876 449.995 3.135 21.862 Notas: Fuente: National Statistics Institute