Maternal risk factors for abnormal placental growth: The national collaborative perinatal project
2008

Maternal Risk Factors for Abnormal Placental Growth

Sample size: 23420 publication 10 minutes Evidence: high

Author Information

Author(s): Kesha Baptiste-Roberts, Carolyn M. Salafia, Wanda K. Nicholson, Anne Duggan, Nae-Yuh Wang, Frederick L. Brancati

Primary Institution: Johns Hopkins Bloomberg School of Public Health

Hypothesis

Lower socioeconomic status would be associated with increased likelihood of placental growth restriction.

Conclusion

Maternal risk factors are either associated with placental growth restriction or placental hypertrophy, suggesting different underlying biological mechanisms.

Supporting Evidence

  • Black race was linked to higher chances of placental growth restriction.
  • Hypertensive disease increased the likelihood of growth restriction for placental weight.
  • Anemia was associated with lower chances of growth restriction for placental weight.

Takeaway

This study looked at how different factors in mothers, like their race and health conditions, can affect the growth of the placenta during pregnancy.

Methodology

Analysis of mother-placenta pairs using multinomial logistic regression to identify predictors of placental growth restriction and hypertrophy.

Potential Biases

Participants excluded from the analysis differed significantly from those included, which may introduce bias.

Limitations

The study used historical data from the 1950s, which may not reflect current practices and included biases due to participant exclusion.

Participant Demographics

Mean age of mothers was 24.5 years; almost half were Black, and many had low income and education levels.

Statistical Information

P-Value

0.0045

Confidence Interval

(1.54, 2.55)

Statistical Significance

p<0.0045

Digital Object Identifier (DOI)

10.1186/1471-2393-8-44

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication