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Related Experiment Videos

Maternal age and primary cesarean section rates: a multivariate analysis.

M Martel, S Wacholder, A Lippman

    American Journal of Obstetrics and Gynecology
    |February 1, 1987
    PubMed
    Summary

    Maternal age significantly impacts cesarean section rates. Older mothers, both first-time (primiparous) and those who have had previous births (multiparous), face a higher risk of cesarean delivery.

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    Area of Science:

    • Obstetrics and Gynecology
    • Reproductive Health
    • Perinatal Epidemiology

    Background:

    • Cesarean section rates have been rising globally.
    • Maternal age is an increasingly recognized factor in pregnancy outcomes.

    Purpose of the Study:

    • To investigate the association between maternal age and primary cesarean section (C-section) rates.
    • To determine if common obstetric interventions explain this relationship.

    Main Methods:

    • Analysis of 3458 consecutive deliveries.
    • Stratification of women into age groups: <25, 25-34, and >34 years.
    • Multivariate regression analysis adjusting for labor induction, epidural anesthesia, meconium, and fetal distress.

    Main Results:

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    • Cesarean section rates increased with maternal age in both primiparous (13.1% to 28.2%) and multiparous women (3.4% to 10.1%).
    • The association between advanced maternal age and cesarean delivery remained significant after adjusting for confounding factors.

    Conclusions:

    • Advanced maternal age is a strong, independent risk factor for primary cesarean section.
    • Factors like labor induction or fetal distress do not fully account for the increased C-section risk in older mothers.