The importance of quality of care in perinatal mortality: a case-control study in Chiapas, Mexico.

Background: This study was undertaken in order to ascertain the relative importance of different risk factors for perinatal mortality (PM) in a community of Chiapas, Mexico stressing the importance of antenatal and neonatal medical care.

Methods: Cases were stillbirth and early neonatal death (END). Two children born in the same hospital and/or day as the case were randomly selected as controls, in Tapachula, Chiapas, Mexico.