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An association between the heat-humidity index and preterm labor and delivery: A preliminary analysis

Author

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  • Lajinian, S.
  • Hudson, S.
  • Applewhite, L.
  • Feldman, J.
  • Minkoff, H.L.

Abstract

Objectives: The goal of this study was to determine whether a relationship exists between heat-humidity indexes and rates of preterm labor and preterm delivery. Methods: Preterm labor and delivery rates were compared during the 2 summer and 2 winter weeks with the highest and lowest heat- humidity indexes for each season. Results: The rate of preterm labor increased consistently from 1.23% to 3.00% as the heat-humidity index rose. When preterm births were examined, the trend was similar but not statistically significant. Conclusions: Given the public health import of preterm labor and the frequency with which pregnant women may be exposed to extremes of heat, studies designed to confirm or refute our preliminary observations are warranted.

Suggested Citation

  • Lajinian, S. & Hudson, S. & Applewhite, L. & Feldman, J. & Minkoff, H.L., 1997. "An association between the heat-humidity index and preterm labor and delivery: A preliminary analysis," American Journal of Public Health, American Public Health Association, vol. 87(7), pages 1205-1207.
    • Handle: RePEc:aph:ajpbhl:1997:87:7:1205-1207_6
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    Cited by:

    1. Supriya Mathew & Deepika Mathur & Anne B. Chang & Elizabeth McDonald & Gurmeet R. Singh & Darfiana Nur & Rolf Gerritsen, 2017. "Examining the Effects of Ambient Temperature on Pre-Term Birth in Central Australia," IJERPH, MDPI, vol. 14(2), pages 1-13, February.
    2. Cynthia J. Bashore & Laura A. Geer & Xin He & Robin Puett & Patrick J. Parsons & Christopher D. Palmer & Amy J. Steuerwald & Ovadia Abulafia & Mudar Dalloul & Amir Sapkota, 2014. "Maternal Mercury Exposure, Season of Conception and Adverse Birth Outcomes in an Urban Immigrant Community in Brooklyn, New York, U.S.A," IJERPH, MDPI, vol. 11(8), pages 1-29, August.
    3. Ishtiaq Mannan & Yoonjoung Choi & Anastasia J. Coutinho & Atique I. Chowdhury & Syed Moshfiqur Rahman & Habib R. Seraji & Sanwarul Bari & Rasheduzzaman Shah & Peter J. Winch & Shams El Arifeen & Gary , 2011. "Vulnerability of Newborns to Environmental Factors: Findings from Community Based Surveillance Data in Bangladesh," IJERPH, MDPI, vol. 8(8), pages 1-16, August.
    4. Jennyfer Wolf & Ben Armstrong, 2012. "The Association of Season and Temperature with Adverse Pregnancy Outcome in Two German States, a Time-Series Analysis," PLOS ONE, Public Library of Science, vol. 7(7), pages 1-8, July.

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