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Related Experiment Videos

The night--a dangerous time to be born?

G Domenighetti, F Paccaud

    British Journal of Obstetrics and Gynaecology
    |December 1, 1986
    PubMed
    Summary

    Nighttime births show significantly higher perinatal mortality rates, more than double daytime births. This disparity, linked to obstetric practices, particularly affects low-birthweight infants.

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    Area of Science:

    • Perinatal Health
    • Obstetrics
    • Epidemiology

    Background:

    • Birth timing variations are influenced by obstetric practices.
    • Previous research suggests potential links between birth timing and perinatal outcomes.

    Purpose of the Study:

    • To analyze perinatal mortality rates based on the hour of birth.
    • To investigate the association between nighttime births and adverse perinatal outcomes.

    Main Methods:

    • Analysis of 10,059 births in Canton Ticino, Switzerland (1979-1982).
    • Comparison of perinatal mortality rates between daytime and nighttime births.
    • Examination of mortality causes and birthweight distribution by birth time.

    Main Results:

    • Fewer births occurred during nighttime hours (19:00-06:59).
    • Perinatal mortality rate for nighttime births was over twice as high (+127%, P < 0.001) compared to daytime births.
    • Nighttime births had higher mortality rates for 13 of 19 causes of death and a greater proportion of low and very-low-birthweight infants.

    Conclusions:

    • Obstetric practices contribute to variations in birth timing.
    • Nighttime births are associated with significantly increased perinatal mortality risk.
    • Vulnerable populations, including low-birthweight infants, are disproportionately affected by nighttime births.

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