Abstract

SummaryInfand mortality for the period 1950—70 has been analysied in a North-Swedish isolate, a population characterized by a high incidence of schizopherenic psychoses and other neuorpsychiatric disorders. Infand mortality is higher than in Sweden generally. As many as 45·9% of the deceased infands in the population sccumbed during the first week of their life, compard to 28·1% in the general Swedish population.