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The study includes all 151 deceased newborns with traumatic subcapsular haemorrhage of the liver for the 3-year period between 1992 and 1994 in the University Maternity Hospital "Maĭchin dom"--Sofia. We compared the frequency and the causes for the hepatic rupture and how they depend on the way of delivery. We established a significantly higher frequency in the group of neonates undergone breech delivery /17.2%/ then in the group with head presentations /5.7%/. In the last group 3 of neonates were born by caesarean section. We conclude that the breech presentation increases the risk of hepatic birth injuries. Other predisposing factors are the perinatal asphyxia and the immaturity.

This retrospective study, including all postnatal died newborns from 1992 to 1994 in our hospital, shows, that the mortality rate among the breech presentations is several times higher then this among the cephalic presentations. Inborn malformations, specially those of CNS, and birth trauma are with significant higher frequency causes of death in the first group. Intrapartal asphyxia, intraventricular haemorrhages and respiratory distress syndrome are equally presented in the neonatal mortality structure of the newborns in breech and cephalic presentation.