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Related Experiment Videos

Defining early adolescent childbearing.

Maureen G Phipps1, MaryFran Sowers

  • 1Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA.

American Journal of Public Health
|January 5, 2002
PubMed
Summary
This summary is machine-generated.

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Early adolescent childbearing is best defined as giving birth at 15 years or younger. This definition is based on analyzing adverse clinical outcomes like infant mortality and preterm birth rates in a large US birth cohort.

Area of Science:

  • Reproductive Health
  • Perinatal Epidemiology
  • Adolescent Health

Background:

  • Adolescent childbearing is associated with increased risks for adverse birth outcomes.
  • Establishing a precise age-based definition for early adolescent childbearing is crucial for targeted interventions and public health strategies.

Purpose of the Study:

  • To determine the optimal age group for defining early adolescent childbearing.
  • To base this definition on statistically significant inflection points in adverse clinical outcomes.

Main Methods:

  • Analysis of a large US birth cohort (n=768,029) from 1995.
  • Examination of singleton first births to mothers aged 12-23 years.
  • Assessment of infant mortality, very low birthweight, and very preterm delivery rates per 1000 live births.

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Main Results:

  • Adverse clinical outcome rates (infant mortality, very low birthweight, very preterm delivery) were graphed by maternal age.
  • An inflection point, below which adverse outcome rates stabilize, was identified at 16 years of maternal age.
  • These inflection points remained consistent across major US racial/ethnic groups.

Conclusions:

  • Early adolescent childbearing is statistically best defined as occurring at 15 years of maternal age or younger.
  • This definition is supported by population-based data on birth outcomes.
  • The findings provide a clear, evidence-based case definition for public health and research purposes.