Pregnancy and delivery complications in the births of an unselected series of Finnish children with schizophrenic mothers.

Pregnancy, delivery and post partum conditions were coded from Helsinki Well Mother-Baby Clinics and Lying in hospitals for all deliveries to a birth cohort of Helsinki schizophrenic women. Greater difficulty was observed at all perinatal stages for the chronic and mild schizophrenic groups than for controls. These differences were heightened in the case of winter births.