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Foetal mouth movements: Effects of nicotine

Froggatt, Suzanne and Reissland, Nadja and Covey, Judith and Kumardendran, Kumar (2021) 'Foetal mouth movements: Effects of nicotine.', Acta paediatrica .

Abstract

Aim: To assess whether fetal mouth movement frequency changes across gestation and whether there are differences between cigarette and e-cigarette exposure conditions in comparison to a non-exposed group of fetuses. Method: Pregnant women underwent 4-dimensional (4D) fetal ultrasound scans at 32-weeks (106 scans) and 36-weeks gestational age (87 scans) at James Cook University Hospital, UK. The 4D scans were coded using the Fetal Observable Movement System (FOMS). Measures of maternal smoking status, stress, depression, anxiety, attachment and time of scan were also collected. There were four exposure groups: non-smokers, light smokers (<10 per day), heavy smokers (11-20 per day), and e-cigarette users. Results: No significant differences in relative frequency of mouth movements between the exposure groups at 32- and 36-weeks gestational age were found. Fetal mouth movements declined from 32 to 36 weeks gestation for non-exposed and e-cigarette exposed fetuses. Conclusion: Due to variability in fetal behaviour, examining mouth movements alone may not be the most appropriate method for assessing group differences. However, in line with other research, mouth movement frequency declined between 32- and 36-weeks gestational age. A combination of fetal behavioural assessments are needed to assess the effects of cigarette and e-cigarette exposure on fetal neurobehavioural development.

Item Type:Article
Full text:Publisher-imposed embargo
(AM) Accepted Manuscript
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Full text:(VoR) Version of Record
Available under License - Creative Commons Attribution 4.0.
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1111/apa.16042
Publisher statement:© 2021 The Authors. Acta Paediatrica published by John Wiley & Sons Ltd on behalf of Foundation Acta Paediatrica. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Date accepted:22 July 2021
Date deposited:22 July 2021
Date of first online publication:29 July 2021
Date first made open access:30 July 2021

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