Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use or have used contraceptions number of live births medical advice for use of contraceptions. Unidades: relative figures ,Total,Does not visit a medical center,Visits a public center,Visits a private center, Total,100,48,63,33,74,17,63, None,100,59,61,25,62,14,78, One,100,43,29,36,79,19,92, Two,100,42,67,37,73,19,6, Three,100,46,33,37,11,16,56, Four,100,39,85,41,77,18,38, Five and more,100,45,03,44,41,10,56, Notas: Fuente: National Statistics Institute