The late preterm birth rate and its association with comorbidities in a population-based study

Margaret F. Carter, Sharon Fowler, Alan Holden, Elly M Xenakis, Donald Dudley

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We sought to identify rates, associated morbidities, and preventable causes of late preterm birth (LPB) in a defined population. We conducted a retrospective cross-sectional analysis using deidentified delivery data for all who delivered in San Antonio/Bexar County, Texas between 2000 and 2008 (n=259,576). LPB was defined as a live birth from 34 0/ 7 to 36 6/ 7 weeks. Variables analyzed included age, race/ethnicity, weight gain, hypertensive disease, diabetes, and preterm labor including premature rupture of membranes. From 2000 to 2006, the LPB rate in San Antonio/Bexar County, Texas, was slightly higher than the national average, 9% versus 8.7% (p<0.01). From 2000 to 2008, 23,312 LPBs occurred in San Antonio/Bexar County and 53% experienced at least one studied comorbidity. Using logistic regression comparing LPB to term, variables associated with an increased risk of LPB were black race, age <17, age 35, gestational hypertension, eclampsia, chronic hypertension, and diabetes. LPB was higher than the national average in our population, and preventable causes of LPB (extremes of age, hypertensive disease, and diabetes) were commonly associated with LPB. We speculate that teenage pregnancy prevention, counseling regarding risks associated with advanced maternal age, and improved management and prevention of hypertensive disease and diabetes should prove beneficial in decreasing the LPB rate.

Original languageEnglish (US)
Pages (from-to)703-707
Number of pages5
JournalAmerican Journal of Perinatology
Volume28
Issue number9
DOIs
StatePublished - 2011

Fingerprint

Birth Rate
Premature Birth
Comorbidity
Population
Pregnancy in Adolescence
Pregnancy Induced Hypertension
Eclampsia
Premature Obstetric Labor
Maternal Age
Live Birth
Weight Gain
Counseling
Rupture
Cross-Sectional Studies
Logistic Models
Hypertension
Morbidity
Membranes

Keywords

  • advance maternal age
  • Age
  • diabetes
  • hypertensive disease
  • teenage pregnancy

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

Cite this

The late preterm birth rate and its association with comorbidities in a population-based study. / Carter, Margaret F.; Fowler, Sharon; Holden, Alan; Xenakis, Elly M; Dudley, Donald.

In: American Journal of Perinatology, Vol. 28, No. 9, 2011, p. 703-707.

Research output: Contribution to journalArticle

Carter, Margaret F. ; Fowler, Sharon ; Holden, Alan ; Xenakis, Elly M ; Dudley, Donald. / The late preterm birth rate and its association with comorbidities in a population-based study. In: American Journal of Perinatology. 2011 ; Vol. 28, No. 9. pp. 703-707.
@article{0813847012014c6ea5f0247882284575,
title = "The late preterm birth rate and its association with comorbidities in a population-based study",
abstract = "We sought to identify rates, associated morbidities, and preventable causes of late preterm birth (LPB) in a defined population. We conducted a retrospective cross-sectional analysis using deidentified delivery data for all who delivered in San Antonio/Bexar County, Texas between 2000 and 2008 (n=259,576). LPB was defined as a live birth from 34 0/ 7 to 36 6/ 7 weeks. Variables analyzed included age, race/ethnicity, weight gain, hypertensive disease, diabetes, and preterm labor including premature rupture of membranes. From 2000 to 2006, the LPB rate in San Antonio/Bexar County, Texas, was slightly higher than the national average, 9{\%} versus 8.7{\%} (p<0.01). From 2000 to 2008, 23,312 LPBs occurred in San Antonio/Bexar County and 53{\%} experienced at least one studied comorbidity. Using logistic regression comparing LPB to term, variables associated with an increased risk of LPB were black race, age <17, age 35, gestational hypertension, eclampsia, chronic hypertension, and diabetes. LPB was higher than the national average in our population, and preventable causes of LPB (extremes of age, hypertensive disease, and diabetes) were commonly associated with LPB. We speculate that teenage pregnancy prevention, counseling regarding risks associated with advanced maternal age, and improved management and prevention of hypertensive disease and diabetes should prove beneficial in decreasing the LPB rate.",
keywords = "advance maternal age, Age, diabetes, hypertensive disease, teenage pregnancy",
author = "Carter, {Margaret F.} and Sharon Fowler and Alan Holden and Xenakis, {Elly M} and Donald Dudley",
year = "2011",
doi = "10.1055/s-0031-1280592",
language = "English (US)",
volume = "28",
pages = "703--707",
journal = "American Journal of Perinatology",
issn = "0735-1631",
publisher = "Thieme Medical Publishers",
number = "9",

}

TY - JOUR

T1 - The late preterm birth rate and its association with comorbidities in a population-based study

AU - Carter, Margaret F.

AU - Fowler, Sharon

AU - Holden, Alan

AU - Xenakis, Elly M

AU - Dudley, Donald

PY - 2011

Y1 - 2011

N2 - We sought to identify rates, associated morbidities, and preventable causes of late preterm birth (LPB) in a defined population. We conducted a retrospective cross-sectional analysis using deidentified delivery data for all who delivered in San Antonio/Bexar County, Texas between 2000 and 2008 (n=259,576). LPB was defined as a live birth from 34 0/ 7 to 36 6/ 7 weeks. Variables analyzed included age, race/ethnicity, weight gain, hypertensive disease, diabetes, and preterm labor including premature rupture of membranes. From 2000 to 2006, the LPB rate in San Antonio/Bexar County, Texas, was slightly higher than the national average, 9% versus 8.7% (p<0.01). From 2000 to 2008, 23,312 LPBs occurred in San Antonio/Bexar County and 53% experienced at least one studied comorbidity. Using logistic regression comparing LPB to term, variables associated with an increased risk of LPB were black race, age <17, age 35, gestational hypertension, eclampsia, chronic hypertension, and diabetes. LPB was higher than the national average in our population, and preventable causes of LPB (extremes of age, hypertensive disease, and diabetes) were commonly associated with LPB. We speculate that teenage pregnancy prevention, counseling regarding risks associated with advanced maternal age, and improved management and prevention of hypertensive disease and diabetes should prove beneficial in decreasing the LPB rate.

AB - We sought to identify rates, associated morbidities, and preventable causes of late preterm birth (LPB) in a defined population. We conducted a retrospective cross-sectional analysis using deidentified delivery data for all who delivered in San Antonio/Bexar County, Texas between 2000 and 2008 (n=259,576). LPB was defined as a live birth from 34 0/ 7 to 36 6/ 7 weeks. Variables analyzed included age, race/ethnicity, weight gain, hypertensive disease, diabetes, and preterm labor including premature rupture of membranes. From 2000 to 2006, the LPB rate in San Antonio/Bexar County, Texas, was slightly higher than the national average, 9% versus 8.7% (p<0.01). From 2000 to 2008, 23,312 LPBs occurred in San Antonio/Bexar County and 53% experienced at least one studied comorbidity. Using logistic regression comparing LPB to term, variables associated with an increased risk of LPB were black race, age <17, age 35, gestational hypertension, eclampsia, chronic hypertension, and diabetes. LPB was higher than the national average in our population, and preventable causes of LPB (extremes of age, hypertensive disease, and diabetes) were commonly associated with LPB. We speculate that teenage pregnancy prevention, counseling regarding risks associated with advanced maternal age, and improved management and prevention of hypertensive disease and diabetes should prove beneficial in decreasing the LPB rate.

KW - advance maternal age

KW - Age

KW - diabetes

KW - hypertensive disease

KW - teenage pregnancy

UR - http://www.scopus.com/inward/record.url?scp=80052961110&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=80052961110&partnerID=8YFLogxK

U2 - 10.1055/s-0031-1280592

DO - 10.1055/s-0031-1280592

M3 - Article

C2 - 21660902

AN - SCOPUS:80052961110

VL - 28

SP - 703

EP - 707

JO - American Journal of Perinatology

JF - American Journal of Perinatology

SN - 0735-1631

IS - 9

ER -