Encuesta de Fecundidad Preferences and motivations in terms of size of the family. Females, between 15-49 years. Females between 15 and 49 years actual age (years) treatment to obtain pregnancy. Units: relative figures Total Has not been treatment Has been treatment. Total Has been treatment and at last one live birth Has been treatment and no live child Total 100.00 97.64 2.36 1.16 1.20 From 15 to 29 years old 100.00 99.59 0.41 0.12 0.29 From 30 to 34 years old 100.00 96.59 3.41 1.77 1.64 From 35 to 39 years old 100.00 95.16 4.84 2.12 2.72 From 40 to 44 years old 100.00 96.18 3.82 2.28 1.54 From 45 to 49 years old 100.00 96.44 3.56 1.78 1.78 Notes: Source: National Statistics Institute