Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use contraceptions currently use of contraceptions size of municipality of residence. Unidades: absolute figures ;Total;Up to 10,000 inhabitants;From 10,001 to 50,000 inhabitants;From 50,001 to 500,000 inhabitants;More than 500,000 inhabitants; Total;5.721.252;1.240.532;1.442.598;2.076.448;961.675; Uses at least one inefficient method, but any efficient method;316.307;111.605;79.809;87.731;37.162; Uses at least one efficient method;5.404.945;1.128.926;1.362.788;1.988.717;924.513; Uses pill;1.232.027;221.928;347.694;439.327;223.078; Uses IUD;411.728;68.013;121.430;143.650;78.634; Uses diaphragm, cap, vaginal sponge;10.363;5.650;525;4.187;..; Uses abstinence;197.929;50.904;41.085;73.156;32.784; Uses condom;2.627.850;577.994;618.952;961.852;469.052; Uses cycle and basal body temperature;46.905;1.623;15.089;19.418;10.775; Uses withdrawal;450.804;163.522;123.562;115.591;48.129; Uses vaginal wash;38.680;26.383;4.973;5.772;1.551; Uses spermicides;30.155;4.671;8.337;6.546;10.601; Uses long breastfeeding;11.465;3.113;1.706;3.163;3.483; Uses injection;9.513;3.735;3.608;1.732;439; Uses the morning after pill;6.188;1.210;1.872;3.106;..; Uses sterilization;607.184;138.662;175.750;211.184;81.588; Uses vasectomy;515.446;107.080;107.467;227.701;73.197; Uses other methods;32.821;5.357;4.680;12.633;10.152; Notas: Fuente: National Statistics Institute