Encuesta de Fecundidad Characteristics marriages / couples and exposure to pregnancy risk. Women 15-49 years Females between 15 and 49 years by level of studies and situation relativeto exposure to risk of pregnancy. Unidades: Absolute figures ;Total;Currently pregnant;Non pregnant, female sterilized;Non pregnant, male sterilized;Non pregnant, female sterile;Non pregnant, female exposed to risk of pregnancy; Total;10.165.237;220.165;498.125;498.853;316.923;8.631.172; Illiterate;29.627;..;1.174;..;4.652;23.801; Without studies;191.792;3.755;27.253;6.153;16.187;138.445; Primary education and second grade, GBE or first year of GCSE;4.774.814;92.259;302.799;319.098;178.771;3.881.885; Secondary Education and Post-secondary non-higher;1.957.740;24.831;43.385;36.943;33.261;1.819.319; 1º, 2º and intermediate technical-professional studies;1.615.916;43.383;73.538;88.624;34.020;1.376.350; Higher level technical-professional studies;38.349;..;..;681;298;37.371; First year of tertiary education;632.679;21.265;30.684;25.651;11.610;543.469; Tertiary education, university graduates and doctors;924.320;34.671;19.291;21.703;38.123;810.532; Notas: Fuente: National Statistics Institute