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