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Adverse maternal outcomes and birth weight discordance in twin gestation: British Columbia, Canadian data

Authors Jahanfar S, Lim K

Received 22 June 2016

Accepted for publication 23 August 2016

Published 29 November 2017 Volume 2017:9 Pages 871—878

DOI https://doi.org/10.2147/IJWH.S115515

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Professor Elie Al-Chaer


Shayesteh Jahanfar,1 Kenneth Lim2

1Department of Community Health, Central Michigan University, Mount Pleasant, MI, USA; 2Division of Maternal Fetal Medicine, British Columbia Women’s Hospital, Vancouver, BC, Canada

Objective: The aim of this study was to determine whether twin pregnancies with birth weight discordance were associated with higher rates of maternal morbidities.
Study design: A large retrospective population-based cohort study of twins born in British Columbia, Canada, from 2000 to 2010 was performed. Maternal morbidities and growth discordant were evaluated.
Results: There were 6,328 twin deliveries during the study period. Pregnancies carrying growth-discordant twins had higher frequencies of hypertension disorders, preterm labor, and cesarean delivery compared with growth-concordant twins. They also stayed longer than 3 days in hospital. Multivariate generalized estimating equation modeling found higher odds of preeclampsia, pregnancy-induced hypertension, preterm delivery, and cesarean delivery in mothers carrying growth-discordant twins compared with those carrying growth-concordant category. The modeling also resulted in higher odds in the length of stay longer than 3 days in mothers carrying growth-discordant twins compared with those carrying growth-concordant twins after adjustment for chorionicity.
Conclusion: Maternal complications are associated with growth discordance. Screening for birth weight discordance during pregnancy may alert clinicians to predict subclinical maternal conditions.

Keywords:
length of stay, retrospective, maternal morbidity

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