[Analysis of risk factors for SIDS: experience at a referral center].

: The aim of this research is to value, with a questionnary for the families, epidemiologic aspects in 20 children died for SIDS. The risk factors we have considered regard: ambiental condition, pregnancy, neonatal and post-neonatal period, and modality of death. The result is that sleeping position, child's age and month in which the death happens, are still the most significant risk factors for SIDS.