[Maternal complications and neonatal events associated to multiple pregnancies resulting from assisted reproduction techniques].

Multiple pregnancy is the most frequent and serious iatrogenic complication of the assisted reproduction techniques. The purpose of this study was to know the maternal complications and neonatal events associated to multiple pregnancies, resulting from assisted reproduction in a reference center in the field of assisted reproduction. This was an observational, cross-section, descriptive and retrospective study performed at Hospital e Maternidade Santa Joana, a reference center in the area of human reproduction in the city of São Paulo, Brazil. The studied population consisted of 131 medical records of pregnant women admitted with clinical pathologies and in labor, resulting from multiple pregnancies resulting from assisted reproduction techniques. The predominant maternal complications were: premature labor (65.5%) and premature amniorrhexis (42%), The most frequent neonatal occurrences were respiratory diseases (65.1%), jaundice (38.4%), metabolic disorders (13%) and neurological diseases (9%).