The Association between Maternal Height, Body Mass Index, and Perinatal Outcomes

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Abstract

Objective To test the hypothesis that maternal height is associated with adverse perinatal outcomes, controlling for and stratified by maternal body mass index (BMI). Study Design This was a retrospective cohort study of all births in California between 2007 and 2010 (n = 1,775,984). Maternal height was categorized into quintiles, with lowest quintile (≤20%) representing shorter stature and the uppermost quintile (≥80%) representing taller stature. Outcomes included gestational diabetes mellitus (GDM), preeclampsia, cesarean, preterm birth (PTB), macrosomia, and low birth weight (LBW). We calculated height/outcome associations among BMI categories, and BMI/outcome associations among height categories, using various multivariable logistic regression models. Results Taller women were less likely to have GDM, nulliparous cesarean, PTB, and LBW; these associations were similar across maternal BMI categories and persisted after multivariable adjustment. In contrast, when stratified by maternal height, the associations between maternal BMI and birth outcomes varied by specific outcomes, for example, the association between morbid obesity (compared with normal or overweight) and the risk of GDM was weaker among shorter women (adjusted odds ratio [aOR], 95% confidence interval [CI]: 3.48, 3.28-3.69) than taller women (aOR, 95% CI: 4.42, 4.19-4.66). Conclusion Maternal height is strongly associated with altered perinatal risk even after accounting for variations in complications by BMI.

Original languageEnglish (US)
Pages (from-to)632-640
Number of pages9
JournalAmerican Journal of Perinatology
Volume36
Issue number6
DOIs
StatePublished - Jan 1 2019

Fingerprint

Body Mass Index
Mothers
Gestational Diabetes
Premature Birth
Low Birth Weight Infant
Logistic Models
Odds Ratio
Parturition
Confidence Intervals
Morbid Obesity
Pre-Eclampsia
Cohort Studies
Retrospective Studies

Keywords

  • cesarean
  • gestational diabetes
  • maternal height
  • obesity

ASJC Scopus subject areas

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

Cite this

@article{076aaa1047d34a139c51e60fb917993c,
title = "The Association between Maternal Height, Body Mass Index, and Perinatal Outcomes",
abstract = "Objective To test the hypothesis that maternal height is associated with adverse perinatal outcomes, controlling for and stratified by maternal body mass index (BMI). Study Design This was a retrospective cohort study of all births in California between 2007 and 2010 (n = 1,775,984). Maternal height was categorized into quintiles, with lowest quintile (≤20{\%}) representing shorter stature and the uppermost quintile (≥80{\%}) representing taller stature. Outcomes included gestational diabetes mellitus (GDM), preeclampsia, cesarean, preterm birth (PTB), macrosomia, and low birth weight (LBW). We calculated height/outcome associations among BMI categories, and BMI/outcome associations among height categories, using various multivariable logistic regression models. Results Taller women were less likely to have GDM, nulliparous cesarean, PTB, and LBW; these associations were similar across maternal BMI categories and persisted after multivariable adjustment. In contrast, when stratified by maternal height, the associations between maternal BMI and birth outcomes varied by specific outcomes, for example, the association between morbid obesity (compared with normal or overweight) and the risk of GDM was weaker among shorter women (adjusted odds ratio [aOR], 95{\%} confidence interval [CI]: 3.48, 3.28-3.69) than taller women (aOR, 95{\%} CI: 4.42, 4.19-4.66). Conclusion Maternal height is strongly associated with altered perinatal risk even after accounting for variations in complications by BMI.",
keywords = "cesarean, gestational diabetes, maternal height, obesity",
author = "Nicole Marshall and Biel, {Frances M.} and Janne Heinonen and Dmitry Dukhovny and Aaron Caughey and Jonathan Snowden",
year = "2019",
month = "1",
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doi = "10.1055/s-0038-1673395",
language = "English (US)",
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T1 - The Association between Maternal Height, Body Mass Index, and Perinatal Outcomes

AU - Marshall, Nicole

AU - Biel, Frances M.

AU - Heinonen, Janne

AU - Dukhovny, Dmitry

AU - Caughey, Aaron

AU - Snowden, Jonathan

PY - 2019/1/1

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N2 - Objective To test the hypothesis that maternal height is associated with adverse perinatal outcomes, controlling for and stratified by maternal body mass index (BMI). Study Design This was a retrospective cohort study of all births in California between 2007 and 2010 (n = 1,775,984). Maternal height was categorized into quintiles, with lowest quintile (≤20%) representing shorter stature and the uppermost quintile (≥80%) representing taller stature. Outcomes included gestational diabetes mellitus (GDM), preeclampsia, cesarean, preterm birth (PTB), macrosomia, and low birth weight (LBW). We calculated height/outcome associations among BMI categories, and BMI/outcome associations among height categories, using various multivariable logistic regression models. Results Taller women were less likely to have GDM, nulliparous cesarean, PTB, and LBW; these associations were similar across maternal BMI categories and persisted after multivariable adjustment. In contrast, when stratified by maternal height, the associations between maternal BMI and birth outcomes varied by specific outcomes, for example, the association between morbid obesity (compared with normal or overweight) and the risk of GDM was weaker among shorter women (adjusted odds ratio [aOR], 95% confidence interval [CI]: 3.48, 3.28-3.69) than taller women (aOR, 95% CI: 4.42, 4.19-4.66). Conclusion Maternal height is strongly associated with altered perinatal risk even after accounting for variations in complications by BMI.

AB - Objective To test the hypothesis that maternal height is associated with adverse perinatal outcomes, controlling for and stratified by maternal body mass index (BMI). Study Design This was a retrospective cohort study of all births in California between 2007 and 2010 (n = 1,775,984). Maternal height was categorized into quintiles, with lowest quintile (≤20%) representing shorter stature and the uppermost quintile (≥80%) representing taller stature. Outcomes included gestational diabetes mellitus (GDM), preeclampsia, cesarean, preterm birth (PTB), macrosomia, and low birth weight (LBW). We calculated height/outcome associations among BMI categories, and BMI/outcome associations among height categories, using various multivariable logistic regression models. Results Taller women were less likely to have GDM, nulliparous cesarean, PTB, and LBW; these associations were similar across maternal BMI categories and persisted after multivariable adjustment. In contrast, when stratified by maternal height, the associations between maternal BMI and birth outcomes varied by specific outcomes, for example, the association between morbid obesity (compared with normal or overweight) and the risk of GDM was weaker among shorter women (adjusted odds ratio [aOR], 95% confidence interval [CI]: 3.48, 3.28-3.69) than taller women (aOR, 95% CI: 4.42, 4.19-4.66). Conclusion Maternal height is strongly associated with altered perinatal risk even after accounting for variations in complications by BMI.

KW - cesarean

KW - gestational diabetes

KW - maternal height

KW - obesity

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