Contribution of Risk Factors to Extremely, Very and Moderately Preterm Births - Register-Based Analysis of 1,390,742 Singleton Births

: Raisanen S, Gissler M, Saari J, Kramer M, Heinonen S

Publisher: PUBLIC LIBRARY SCIENCE

: 2013

PLoS ONE

: PLOS ONE

: ARTN e60660

: 8

: 4

: 7

: 1932-6203

DOI: https://doi.org/10.1371/journal.pone.0060660

Conclusions: Smoking explained about one third of the variation in preterm birth groups between SES groups whereas the contribution of reproductive risk factors including placental abruption, placenta previa, major congenital anomaly, amniocentesis, chorionic villus biopsy, anemia, stillbirth, SGA and fetal sex was up to one fourth.