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