Encuesta de Fecundidad Charac. married couples or couples and expos. risk of preg. Fem.15-49 years Females between 15 and 49 years by level of studies and situation relative to exposure to risk of pregnancy. Units: Relative 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;100.00;2.17;4.90;4.91;3.12;84.91; Illiterate;100.00;..;3.96;..;15.70;80.33; Without studies;100.00;1.96;14.21;3.21;8.44;72.18; Primary education and second grade, GBE or first year of GCSE;100.00;1.93;6.34;6.68;3.74;81.30; Secondary Education and Post-secondary non-higher;100.00;1.27;2.22;1.89;1.70;92.93; 1º, 2º and intermediate technical-professional studies;100.00;2.68;4.55;5.48;2.11;85.17; Higher level technical-professional studies;100.00;..;..;1.78;0.78;97.45; First year of tertiary education;100.00;3.36;4.85;4.05;1.84;85.90; Tertiary education, university graduates and doctors;100.00;3.75;2.09;2.35;4.12;87.69; Notes: Source: National Statistics Institute