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