[Perinatal mortality and morbidity for childbirths from breech presentation at Gynaecological Hospital of Jena University, between 1966 and 1976/(77) (author's transl)].

Studies were conducted at the Gynaecological Hospital of Jena University, between 1966 and 1976, into perinatal mortality and morbidity, in the context of 950 childbirths from breech presentation. Unambiguous decline in uncleared perinatal mortality was characterised by a numerical drop from 11.7. per cent in 1966/67 to 6.3 per cent in 1976/77.-Cleared perinatal mortality went down, similarly, for the same period of time, from 6.1 per cent to 2.5 per cent.-Uncleared perinatal mortality in the context of caesarean section was 0.65 per cent, while that related to vaginal delivery amounted to ten per cent. The cleared figures (after correction) were 0.54 and 5.4 per cent, the difference having been statistically secured with high significance. A decisive role was played, in that context, by the introduction of selective section as of 1975. Intranatal mortality has ever since dropped to zero, as compared to 1.9 per cent between 1966 and 1974.-Acidosis morbidity due to breech presentation was three times as high as that associated with cephalic delivery. The Apgar score was zero in 6.4 per cent of all children born by vaginal delivery. Therapeutic consequences are discussed.