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. Units: relative figures ,Total,Does not visit a medical center,Visits a public center,Visits a private center, Total,100.00,48.63,33.74,17.63, None,100.00,59.61,25.62,14.78, One,100.00,43.29,36.79,19.92, Two,100.00,42.67,37.73,19.60, Three,100.00,46.33,37.11,16.56, Four,100.00,39.85,41.77,18.38, Five and more,100.00,45.03,44.41,10.56, Notes: Source: National Statistics Institute