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Stillbirth, early neonatal death and perinatal mortality rates among singleton and twin births (per convention). Legend text: Gestational age-specific stillbirth (upper panel), early neonatal death (middle panel) and perinatal mortality (lower panel) rates among singleton and twin births calculated as per convention (i.e., per 1,000 total births/live births at each gestation), Canada (excluding Ontario), 1991–97.
