[Reasons for the high perinatal mortality rate in Wielkopolska Region based on data from the Mother and Child Health Institute].

Contribution to prepare present paper were extremely unsatisfied result of perinatal mortality rate in Wielkopolska, the region in which for many years efficiently works three-level perinatal care system and exists high class III level center. The main reasons of such situation Authors suspect in incorrect full filling of rapport forms prepared by maternal hospitals in Poland and in interpretation coming only just from 70% Polish hospitals performing care over mother and newborn. We suggest also, that estimation of perinatal mortality should take place after elimination of number of deaths due to developmental, lethal defects and malformations, classified in accordance with ICD-10 code.