PMID: 11926251Apr 3, 2002Paper

A comparison of risk factors for twin preterm birth in the United States between 1981-82 and 1996-97

Maternal and Child Health Journal
Michael D KoganEmile Papiernik

Abstract

This paper examines risk factors for twin preterm birth in 1981-82 and 1996-97 in the United States in order to see if they have changed over time. We studied all U.S. twin births for the years examined (N = 346, 567). Since the gestational age distributions for twins differs from singletons, the risk of preterm birth was examined at <33, 33-34, and 35-36 weeks. Logistic regression was used to examine the contributions of sociodemographic and obstetric factors at each period. While the <33 week twin preterm rate rose 7% from 1981-82 to 1996-97, the 33-34-week rate rose 31%, and the 35-36-week rate rose 51%. Women with less education, teenagers, unmarried women, primiparas, and blacks were more likely to deliver preterm across all three preterm birth levels. However, the effect of these low socioeconomic status markers diminished over the study period. Additionally, the odds of preterm birth among blacks increased with earlier gestational ages. Women who had intensive prenatal care utilization as compared with less than adequate utilization were more likely to deliver preterm (35-36 weeks) in 1996-97 (odds ratio (OR) = 2.05) compared with 1981-82 (OR = 1.44). Smaller increases were noted for <33 and 33-34 weeks. Obstetric factor...Continue Reading

Citations

Feb 27, 2008·Paediatric and Perinatal Epidemiology·Li-Ching LeeAndrew W Zimmerman
Feb 4, 2010·Journal of Perinatal Medicine·Rebecca S Hartley, Jane Hitti
Sep 24, 2014·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Tanja Premru-SrsenHelena Ban-Frangez
Nov 28, 2002·Mental Retardation and Developmental Disabilities Research Reviews·Greg R Alexander, Martha Slay
Nov 28, 2002·Mental Retardation and Developmental Disabilities Research Reviews·Claudine Amiel-TisonJeannette Rogowski
Jan 4, 2020·Maternal and Child Health Journal·Embry M HowellCaitlin Cross-Barnet
Apr 6, 2013·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Nesa AsnafiSarah Dadvar
Sep 11, 2012·Australian Health Review : a Publication of the Australian Hospital Association·Tim Badgery-ParkerChristine L Roberts
Feb 18, 2016·Twin Research and Human Genetics : the Official Journal of the International Society for Twin Studies·Sohyun ShimJoong Sik Shin

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