Encuesta de Fecundidad Charac. married couples or couples and expos. risk of preg. Fem.15-49 years Females married or with a partner level of studies 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;3.02;6.49;6.88;4.11;79.50; Illiterate;100.00;..;5.70;..;5.15;89.16; Without studies;100.00;2.22;16.10;3.63;9.56;68.49; Primary education and second grade, GBE or first year of GCSE;100.00;2.55;8.16;8.93;4.75;75.62; Secondary Education and Post-secondary non-higher;100.00;2.10;3.26;3.13;2.75;88.75; 1º, 2º and intermediate technical-professional studies;100.00;3.66;5.60;7.47;2.76;80.52; Higher level technical-professional studies;100.00;..;..;1.97;0.86;97.17; First year of tertiary education;100.00;4.70;6.27;5.67;2.32;81.04; Tertiary education, university graduates and doctors;100.00;5.46;2.74;3.42;5.54;82.85; Notes: Source: National Statistics Institute