The relation between maternal obesity and placenta accreta spectrum: a multinational database study

<p><strong>Introduction</strong></p> It has been suggested that women with obesity have increased risk of developing placenta accreta spectrum (PAS). It is unclear if this is independent of the increased risk of cesarean delivery seen with obesity itself. The aim of this stud...

Full description

Bibliographic Details
Main Authors: Vieira, MC, Rijken, MJ, Braun, T, Chantraine, F, Morel, O, Schwickert, A, Stefanovic, V, Van Beekhuizen, H, Collins, SL
Other Authors: International Society for Placenta accreta spectrum (IS-PAS)
Format: Journal article
Language:English
Published: Wiley 2021
_version_ 1797097459389825024
author Vieira, MC
Rijken, MJ
Braun, T
Chantraine, F
Morel, O
Schwickert, A
Stefanovic, V
Van Beekhuizen, H
Collins, SL
author2 International Society for Placenta accreta spectrum (IS-PAS)
author_facet International Society for Placenta accreta spectrum (IS-PAS)
Vieira, MC
Rijken, MJ
Braun, T
Chantraine, F
Morel, O
Schwickert, A
Stefanovic, V
Van Beekhuizen, H
Collins, SL
author_sort Vieira, MC
collection OXFORD
description <p><strong>Introduction</strong></p> It has been suggested that women with obesity have increased risk of developing placenta accreta spectrum (PAS). It is unclear if this is independent of the increased risk of cesarean delivery seen with obesity itself. The aim of this study was to explore the association between maternal obesity and PAS, particularly severe PAS (percreta). <p><strong>Material and methods</strong></p> This is a cohort study based on cases recorded in the International Society for Placenta Accreta Spectrum (IS-PAS) database between April 2008 and May 2019. Multivariable logistic regression was used to explore the effect of maternal obesity on severity of PAS; this model was adjusted for other known risk factors including previous cesarean deliveries, maternal age, and placenta previa. The estimated rate of obesity in a hypothetical cohort with similar characteristics (previous cesarean delivery and same parity) was calculated and compared with the observed rate of obesity in the women of the PAS cohort (one sample test of proportions). <p><strong>Results</strong></p> Of the 386 included women with PAS, 227 (58.8%) had severe disease (percreta). In univariable analysis, maternal obesity initially appeared to be associated with increased odds of developing the most severe type of PAS, percreta (odds ratio [OR] 1.87; 95% CI 1.14-3.09); however, this association was lost after adjustment for other risk factors including previous cesarean delivery (OR 1.44; 95% CI 0.85-2.44). There was no difference in the observed rate of obesity and the rate estimated based on the risk of cesarean delivery from obesity alone (31.3% vs 36.8%, respectively; P = .07). <p><strong>Conclusions</strong></p> Obesity does not seem to be an independent risk factor for PAS or severity for PAS. These findings are relevant for clinicians to provide accurate counseling to women with obesity regarding increased risks related to pregnancy.
first_indexed 2024-03-07T04:55:49Z
format Journal article
id oxford-uuid:d6922f16-2d45-4d1a-b9fb-bffbe696647f
institution University of Oxford
language English
last_indexed 2024-03-07T04:55:49Z
publishDate 2021
publisher Wiley
record_format dspace
spelling oxford-uuid:d6922f16-2d45-4d1a-b9fb-bffbe696647f2022-03-27T08:34:30ZThe relation between maternal obesity and placenta accreta spectrum: a multinational database studyJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:d6922f16-2d45-4d1a-b9fb-bffbe696647fEnglishSymplectic ElementsWiley2021Vieira, MCRijken, MJBraun, TChantraine, FMorel, OSchwickert, AStefanovic, VVan Beekhuizen, HCollins, SLInternational Society for Placenta accreta spectrum (IS-PAS)<p><strong>Introduction</strong></p> It has been suggested that women with obesity have increased risk of developing placenta accreta spectrum (PAS). It is unclear if this is independent of the increased risk of cesarean delivery seen with obesity itself. The aim of this study was to explore the association between maternal obesity and PAS, particularly severe PAS (percreta). <p><strong>Material and methods</strong></p> This is a cohort study based on cases recorded in the International Society for Placenta Accreta Spectrum (IS-PAS) database between April 2008 and May 2019. Multivariable logistic regression was used to explore the effect of maternal obesity on severity of PAS; this model was adjusted for other known risk factors including previous cesarean deliveries, maternal age, and placenta previa. The estimated rate of obesity in a hypothetical cohort with similar characteristics (previous cesarean delivery and same parity) was calculated and compared with the observed rate of obesity in the women of the PAS cohort (one sample test of proportions). <p><strong>Results</strong></p> Of the 386 included women with PAS, 227 (58.8%) had severe disease (percreta). In univariable analysis, maternal obesity initially appeared to be associated with increased odds of developing the most severe type of PAS, percreta (odds ratio [OR] 1.87; 95% CI 1.14-3.09); however, this association was lost after adjustment for other risk factors including previous cesarean delivery (OR 1.44; 95% CI 0.85-2.44). There was no difference in the observed rate of obesity and the rate estimated based on the risk of cesarean delivery from obesity alone (31.3% vs 36.8%, respectively; P = .07). <p><strong>Conclusions</strong></p> Obesity does not seem to be an independent risk factor for PAS or severity for PAS. These findings are relevant for clinicians to provide accurate counseling to women with obesity regarding increased risks related to pregnancy.
spellingShingle Vieira, MC
Rijken, MJ
Braun, T
Chantraine, F
Morel, O
Schwickert, A
Stefanovic, V
Van Beekhuizen, H
Collins, SL
The relation between maternal obesity and placenta accreta spectrum: a multinational database study
title The relation between maternal obesity and placenta accreta spectrum: a multinational database study
title_full The relation between maternal obesity and placenta accreta spectrum: a multinational database study
title_fullStr The relation between maternal obesity and placenta accreta spectrum: a multinational database study
title_full_unstemmed The relation between maternal obesity and placenta accreta spectrum: a multinational database study
title_short The relation between maternal obesity and placenta accreta spectrum: a multinational database study
title_sort relation between maternal obesity and placenta accreta spectrum a multinational database study
work_keys_str_mv AT vieiramc therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT rijkenmj therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT braunt therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT chantrainef therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT morelo therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT schwickerta therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT stefanovicv therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT vanbeekhuizenh therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT collinssl therelationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT vieiramc relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT rijkenmj relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT braunt relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT chantrainef relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT morelo relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT schwickerta relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT stefanovicv relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT vanbeekhuizenh relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy
AT collinssl relationbetweenmaternalobesityandplacentaaccretaspectrumamultinationaldatabasestudy