Encuesta de Fecundidad
Characteristics marriages / couples and exposure to pregnancy risk. Women  15-49 years
Females married sometime or with a partner, who 1st marriage or relation finished  level of studies  duration of 1st marriage  or relation (years). 
Unidades: Relative figures

	Total	Under 5 years old	From 5 to 9 years old	From 10 to 14 years old	From 15 to 19 years old	20 years old and over	
Total	100	88,36	6,2	3,27	2,11	0,05	
Illiterate	100	78,16	21,84	..	..	..	
Without studies	100	64,66	..	14,86	20,48	..	
Primary education and second grade, GBE or first year of GCSE	100	83,01	8,4	5,42	3,05	0,13	
Secondary Education and Post-secondary non-higher	100	92,04	4,58	1,97	1,4	..	
1º, 2º and intermediate technical-professional studies	100	94,43	3,86	1,47	0,24	..	
Higher level technical-professional studies	100	68,7	31,3	..	..	..	
First year of tertiary education	100	92,34	3,56	2,46	1,63	..	
Tertiary education, university graduates and doctors	100	91,84	6,75	0,36	1,04	..	
Notas:
Fuente: National Statistics Institute