The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, Mexico

Birth weight discordance (BWD) is not an uncommon event in twin pregnancies and can be associated with maternal and newborn characteristics. We aimed to analyse the association between maternal sociodemographic and newborn characteristics with BWD in twin infants born in Yucatan, Mexico, during 2008...

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Main Authors: Hugo Azcorra, Luis Rodriguez, Nina Méndez
Format: Article
Language:English
Published: Taylor & Francis Group 2021-02-01
Series:Annals of Human Biology
Subjects:
Online Access:http://dx.doi.org/10.1080/03014460.2021.1921847
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author Hugo Azcorra
Luis Rodriguez
Nina Méndez
author_facet Hugo Azcorra
Luis Rodriguez
Nina Méndez
author_sort Hugo Azcorra
collection DOAJ
description Birth weight discordance (BWD) is not an uncommon event in twin pregnancies and can be associated with maternal and newborn characteristics. We aimed to analyse the association between maternal sociodemographic and newborn characteristics with BWD in twin infants born in Yucatan, Mexico, during 2008–2017 (n = 2091 pairs). BWD was calculated as the percentage of birth weight of the heavier twin. We defined three categories of BWD: concordant twins: <15%, mild-discordant: 15–24%, and severe discordant: ≥25%. A multinomial logistic regression model was used to analyse the association between maternal sociodemographic and newborn characteristics with BWD. Seventy-four percent (n = 1547) of twin pairs were classified as concordant, 17% (n = 356) met the criteria for mild-discordance and 9% (n = 188) for severe discordance. The odds for mild-discordance were significantly lower for mothers with medium level of education and in the highest quartile of total twin birth weight (TBW). Opposite-sex twin pairs showed increased odds for mild-discordance compared with same-sex pairs. The odds for severe discordance increased as mothers were in older age groups and decreased as TBW increased. Our rates of BWD are similar to those reported in populations from wealthier countries and maternal age and education, infants’ sex, and TBW are associated with BWD.
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spelling doaj.art-d64b05bd760f40bc86c28e8cc8c85b682023-09-14T15:36:13ZengTaylor & Francis GroupAnnals of Human Biology0301-44601464-50332021-02-0148215315610.1080/03014460.2021.19218471921847The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, MexicoHugo Azcorra0Luis Rodriguez1Nina Méndez2Centro de Investigaciones Silvio Zavala, Universidad ModeloFaculta de Matemáticas, Universidad Autónoma de YucatánHospital Regional de Alta Especialidad de la Península de YucatánBirth weight discordance (BWD) is not an uncommon event in twin pregnancies and can be associated with maternal and newborn characteristics. We aimed to analyse the association between maternal sociodemographic and newborn characteristics with BWD in twin infants born in Yucatan, Mexico, during 2008–2017 (n = 2091 pairs). BWD was calculated as the percentage of birth weight of the heavier twin. We defined three categories of BWD: concordant twins: <15%, mild-discordant: 15–24%, and severe discordant: ≥25%. A multinomial logistic regression model was used to analyse the association between maternal sociodemographic and newborn characteristics with BWD. Seventy-four percent (n = 1547) of twin pairs were classified as concordant, 17% (n = 356) met the criteria for mild-discordance and 9% (n = 188) for severe discordance. The odds for mild-discordance were significantly lower for mothers with medium level of education and in the highest quartile of total twin birth weight (TBW). Opposite-sex twin pairs showed increased odds for mild-discordance compared with same-sex pairs. The odds for severe discordance increased as mothers were in older age groups and decreased as TBW increased. Our rates of BWD are similar to those reported in populations from wealthier countries and maternal age and education, infants’ sex, and TBW are associated with BWD.http://dx.doi.org/10.1080/03014460.2021.1921847twinsbirthweight discordancemexicoyucatan
spellingShingle Hugo Azcorra
Luis Rodriguez
Nina Méndez
The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, Mexico
Annals of Human Biology
twins
birthweight discordance
mexico
yucatan
title The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, Mexico
title_full The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, Mexico
title_fullStr The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, Mexico
title_full_unstemmed The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, Mexico
title_short The association between maternal and foetal factors with birth weight discordance in twins from Yucatan, Mexico
title_sort association between maternal and foetal factors with birth weight discordance in twins from yucatan mexico
topic twins
birthweight discordance
mexico
yucatan
url http://dx.doi.org/10.1080/03014460.2021.1921847
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