The night‐a dangerous time to be born?

Abstract
An analysis of perinatal mortality by hour of birth among 10,059 births in Canton Ticino (Switzerland) during the years 1979-1982 showed that fewer births occurred at night than during the day. The variations in number of births by hour or birth were attributed to obstetric practices. The perinatal mortality rate for night-time births was more than twice as high as that for the daytime births (+127%, P < 0.001) and the rates for night-time births exceeded those for daytime births for 13 of the 19 causes of death examined. A higher proportion of the low and very-low-birthweight babies (< 2500 g and < 1500 g) were born at night between 19.00 and 06.59 hours.

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