Access to this article is restricted until 12 months after publication by request of the publisher. Restriction lift date: 2025-11-04
Perinatal deaths in twin and singleton infants in Ireland: A comparison of characteristics and causes
dc.check.date | 2025-11-04 | |
dc.check.info | Access to this article is restricted until 12 months after publication by request of the publisher | en |
dc.contributor.author | O’Connor, Caroline | en |
dc.contributor.author | Leitao, Sara | en |
dc.contributor.author | Corcoran, Paul | en |
dc.contributor.author | O’Donoghue, Keelin | en |
dc.contributor.funder | Irish Research Council | en |
dc.date.accessioned | 2024-11-06T09:31:42Z | |
dc.date.available | 2024-11-06T09:31:42Z | |
dc.date.issued | 2024-11-04 | en |
dc.description.abstract | Introduction: Twin pregnancies are associated with significantly higher perinatal mortality (PM) rates compared to singletons, primarily due to complications like fetal growth restriction, preterm birth, and congenital anomalies. This study aimed to compare the characteristics associated with PM in twin pregnancies and compare maternal and obstetric factors and cause of death among twins and singletons in the Republic of Ireland. Materials and methods: Data spanning 2011 to 2022 from the National Perinatal Epidemiology Centre’s annual perinatal mortality clinical audit included 4494 perinatal deaths. Maternal characteristics, antenatal care factors and cause of death were analysed with relative risk calculated using national Hospital In-Patient Enquiry data. Pearson’s chi-squared tests studied the difference between mortality in twins and singletons. Results: Twins accounted for 10.4% of all perinatal deaths, despite representing only 3.6% of total births. The PM rate for twins was 17.3 per 1000 births, 3.1 times higher than for singletons. Early neonatal deaths (ENNDs) were more frequent in twins (54.2%), while stillbirths predominated among singletons (68.6%). Younger maternal age and lower BMI were associated with higher PM risks in twins. A considerable proportion of twin deaths with major congenital anomalies or birth before 28 weeks gestation occurred in non-tertiary hospitals, suggesting limitations in referral pathways to centres with appropriate neonatal expertise. Conclusion: Twin pregnancies pose a higher risk of perinatal mortality, particularly among younger mothers and preterm births. The findings highlight the need for updated guidelines that prioritise early risk assessment, targeted interventions, and improved referral systems. | en |
dc.description.sponsorship | Irish Research Council (GOIPG/2020/928) | en |
dc.description.status | Peer reviewed | en |
dc.description.version | Accepted Version | en |
dc.format.mimetype | application/pdf | en |
dc.identifier.citation | O’Connor, C., Leitao, S., Corcoran, P. and O'Donoghue, K. (2024) 'Perinatal deaths in twin and singleton infants in Ireland: A comparison of characteristics and causes', Irish Journal of Medical Science. https://doi.org/10.1007/s11845-024-03829-9 | en |
dc.identifier.doi | https://doi.org/10.1007/s11845-024-03829-9 | en |
dc.identifier.eissn | 1863-4362 | en |
dc.identifier.issn | 0021-1265 | en |
dc.identifier.journaltitle | Irish Journal of Medical Science | en |
dc.identifier.uri | https://hdl.handle.net/10468/16617 | |
dc.language.iso | en | en |
dc.publisher | Springer Nature | en |
dc.rights | © 2024 the Authors, under exclusive licence to Royal Academy of Medicine in Ireland. This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/s11845-024-03829-9 | en |
dc.subject | Dichorionic | en |
dc.subject | Early neonatal death | en |
dc.subject | Maternal characteristics | en |
dc.subject | Monochorion | en |
dc.subject | Perinatal mortality | en |
dc.subject | Stillbirth | en |
dc.subject | Twin pregnancies | en |
dc.title | Perinatal deaths in twin and singleton infants in Ireland: A comparison of characteristics and causes | en |
dc.type | Article (peer-reviewed) | en |
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