Background: Relatively little is known about the neurodevelopmental and behavioral outcomes of monochorionic diamniotic (MCDA) twin pregnancies where there are no antenatal complications peculiar to monochorionicity or prematurity. Methods: Twenty-two MCDA twins (44 children) with an average age of 4.3 years, and with no antenatal complications detected by 28 weeks of gestation, were recruited from a feto-maternal unit database. Parents completed a battery of neurodevelopmental and behavioral assessment questionnaires. Results: Eighteen children (41%) were identified as having developmental or behavioral concerns, predominantly of mild severity, which in turn were associated with a lower birth weight of medium effect size (Cohen’s d=0.59). Conclusion: MCDA twins delivered in the third trimester with no antenatal monochorionic complications in the first two trimesters appear to be at risk for subtle neurodevelopmental difficulties, associated with a lower birth weight. Ongoing developmental surveillance of these children during preschool-age is indicated for early identification and intervention.
CITATION STYLE
Sierakowski, A., Eeapen, V., Črnčec, R., & Smoleniec, J. (2017). Developmental and behavioral outcomes of uncomplicated monochorionic diamniotic twins born in the third trimester. Neuropsychiatric Disease and Treatment, 13, 1373–1384. https://doi.org/10.2147/NDT.S122739
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