Encuesta de Fecundidad Characteristics marriages / couples and exposure to pregnancy risk. Women 15-49 years Females between 15 and 49 years occupational history marital status. Unidades: Relative figures Total Single Married Widows Separated or divorced Total 100 43,82 51,62 0,88 3,68 Previously worked sometime 100 36,16 58,38 0,92 4,55 Have never worked 100 67,65 30,6 0,75 1 Notas: Fuente: National Statistics Institute