Medical augmentation of labor and the risk of ADHD in offspring: a population-based study

Lonny Henriksen, Chun Sen Wu, Niels Jørgen Secher, Carsten Obel, Mette Juhl

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Abstract

BACKGROUND AND OBJECTIVE: Oxytocin for labor augmentation is widely used in obstetric care in Western countries. Two recent, smaller studies found opposing results regarding the association between prenatal exposure to oxytocin for labor augmentation and attention-deficit/hyperactivity disorder (ADHD). In Denmark, oxytocin is the medication used for nearly all medical augmentations of labor, and we examined the association between medical augmentation of labor and ADHD in a large cohort study based on national register data.


METHODS: All singletons born after spontaneous onset of labor in Denmark between 2000 and 2008 (N = 546 146) were included in the study. Data from the Danish Medical Birth Registry on medical augmentation of labor (yes/no) were used to identify exposed children. ADHD was defined based on the diagnostic codes of International Classification of Diseases, 10th Revision, for hyperkinetic disorder and information on dispensed ADHD medication. A multivariate proportional hazards regression model was used to test the association.


RESULTS: Among 546 146 deliveries, 26% included medical augmentation of labor, and 0.9% of the children were identified as having ADHD (n = 4617). We found no association between augmentation of labor and ADHD in the offspring (hazard ratio: 1.05 [95% confidence interval: 0.98–1.13]).


CONCLUSIONS: Our study does not support an association between medical augmentation of labor and ADHD in the child.
OriginalsprogEngelsk
TidsskriftBMC Pediatrics
Vol/bind135
Udgave nummer3
Sider (fra-til)e672-e677
Antal sider5
ISSN1471-2431
DOI
StatusUdgivet - mar. 2015

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