Maternal and perinatal health outcomes by body mass index category

Jodie Dodd, Rosalie Grivell, Anh-Minh Nguyen, Annabelle Chan, Jeffrey Robinson

    Research output: Contribution to journalArticlepeer-review

    150 Citations (Scopus)

    Abstract

    Aims: To determine the effect of increasing maternal body mass index (BMI) during pregnancy on maternal and infant health outcomes. Methods: The South Australian Pregnancy Outcome Unit's population database, 2008 was accessed to determine pregnancy outcomes according to maternal BMI. Women with a normal BMI (18.5-24.9 kg/m 2) formed a reference population, to which women in other BMI categories were compared utilising risk ratios and 95% confidence intervals. Results: Overweight and obese women had an increased risk of gestational diabetes, hypertension and iatrogenic preterm birth. Labour was more likely to be induced, and the risk of caesarean birth was increased. Infants were more likely to require resuscitation at birth and to have birth weight in excess of 4 kg. The risk increased with increasing maternal BMI. Conclusions: There is a well-documented increased risk of maternal and perinatal health complications for women who are overweight or obese during pregnancy.

    Original languageEnglish
    Pages (from-to)136-140
    Number of pages5
    JournalAustralian and New Zealand Journal of Obstetrics and Gynaecology
    Volume51
    Issue number2
    DOIs
    Publication statusPublished - Apr 2011

    Keywords

    • maternal and infant health
    • obesity
    • overweight
    • pregnancy

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