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Updated: Sep 22, 2025

A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting
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Nativity-Related Disparities in Preterm Birth and Cardiovascular Risk in a Multiracial U.S. Cohort.

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Foreign-born women, particularly those with shorter U.S. residence, have lower preterm birth odds and better cardiovascular health. Nativity significantly impacts preterm birth risk across racial-ethnic groups.

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Area of Science:

  • Reproductive Health
  • Cardiovascular Health
  • Sociodemographics

Background:

  • Preterm birth is linked to future cardiovascular risks.
  • Non-Hispanic Black women face higher preterm birth rates, but nativity's role is unclear.

Purpose of the Study:

  • Investigate how nativity and duration of U.S. residence affect preterm birth and cardiovascular risk factors.
  • Analyze disparities in preterm birth among racial-ethnic groups based on birthplace.

Main Methods:

  • Analysis of data from 6,096 women in the Boston Birth Cohort (non-Hispanic Black, non-Hispanic White, Hispanic).
  • Assessment of cardiovascular risk factors and preterm birth associations with nativity and U.S. residence duration.
  • Utilized multivariable logistic regression.

Main Results:

  • Foreign-born women across all groups exhibited lower rates of obesity, smoking, and severe stress.
  • Foreign-born non-Hispanic Black and Hispanic women had reduced odds of preterm birth compared to U.S.-born counterparts.
  • Shorter duration of U.S. residence (<10 years) was linked to lower preterm birth odds in all groups.

Conclusions:

  • Foreign-born status is associated with improved cardiovascular profiles and lower preterm birth risk, especially for non-Hispanic Black and Hispanic women.
  • Shorter U.S. residence duration correlates with decreased preterm birth odds.
  • Further research is needed on determinants of these nativity-related disparities and acculturation's impact.