[Analysis of the frequency of diseases during twin pregnancy, methods of its completion and complications ascertained in newborns from personal clinical materials].

One analysed course 49 of pregnancies and labours, which one took place in Clinic of Obstetrics Medical Academy in Bialystok in years 1997-1999. Most frequent complication of bigeminal pregnancy was premature labour (53.1%).

[Epidemiological analysis of congenital infections in newborns].

The aim of this study was to review 2567 deliveries in the District Hospital in Białystok in 1997. In 2388 term labours and 179 preterm ones we noticed the congenital infections; in 90 (3.8%) and in 58 (32.