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Sterilization and union instability in Brazil.

Tiziana Leone1, Andrew Hinde

  • 1Department of Social Statistics, University of Southampton, UK.

Journal of Biosocial Science
|August 9, 2005
PubMed
Summary

Female sterilization is a primary birth control method for Brazilian women, significantly impacting fertility rates. Women in subsequent marriages show a reduced likelihood of undergoing sterilization compared to those in first unions.

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Area of Science:

  • Demography
  • Reproductive Health
  • Sociology

Background:

  • Female sterilization is the predominant contraceptive method in Brazil.
  • This trend has contributed significantly to the decline in Brazilian fertility since the 1970s.
  • Couple's relationship dynamics are hypothesized to influence high rates of female sterilization.

Purpose of the Study:

  • To investigate the relationship between union history and the timing of sterilization among Brazilian women.
  • To explore how union stability affects contraceptive method choice and effectiveness.
  • To understand the determinants of high female sterilization rates in Brazil.

Main Methods:

  • Discrete time modeling was employed to analyze the timing of sterilization.
  • The study utilized calendar data from the 1996 Brazilian Demographic and Health Survey (DHS).
  • Analysis focused on union histories and their correlation with sterilization events.

Main Results:

  • Women in second or higher-order unions demonstrated a lower risk of sterilization.
  • Union instability may be associated with less effective or reversible contraceptive method use.
  • Fertility levels appear higher among women in unstable unions.

Conclusions:

  • Union history is a significant factor in understanding female sterilization patterns in Brazil.
  • The findings highlight the need to consider marital status and union transitions in reproductive health research.
  • Further research into relationship dynamics and contraceptive choices is warranted.

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