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Developmental Profiles of Infants with an Elevated Likelihood of Autism Who Were Born to Mothers with Asthma: a Case Series

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Abstract

Objectives

Differences in the development of autistic children have been observed within the first year of life. Infant siblings of autistic children who are later diagnosed with autism themselves have differences in temperament, social communication, attention, and sensory and motor behaviors by 12 months of age. However, less is known about the early development of other increased-likelihood groups. Some studies have identified that children born to mothers with asthma have a slightly elevated likelihood of autism. However, no studies have examined other aspects of their early development.

Methods

Using a case series design, we profiled the temperament (Carey Temperament Scales), sensory (Sensory Profile 2), and global developmental features (Bayley-III) of seven Australian infants born to mothers with asthma who were screened to have an elevated likelihood of autism (First Year Inventory).

Results

We found differences from the norms in temperament across the three timepoints (6 weeks, 6 months, and 12 months), in the domains of rhythmicity, mood, persistence, and distractibility. Infants had typical sensory features at 6 weeks and 6 months; however, a sensory-sensitivity subtype was observed at 12 months. Lastly, at 12 months, cognitive skills were mostly typical, language skills were underdeveloped, and motor skills varied between infants.

Conclusions

Results suggest that there may be a developmental profile indicative of an elevated likelihood of autism in infants born to mothers with asthma. However, due to the small sample size, these findings need to be considered with caution. Further research is needed to confirm diagnoses of autism in our sample.

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Acknowledgements

This manuscript was prepared from part of the first author’s doctoral dissertation. The authors would like to thank the researchers and staff from the Breathing for Life Trial and Breathing for Life Trial-Infant Development research projects who contributed to participant recruitment and data collection, particularly Kelly Steel. An additional thank you to Annelies Robijn who assisted in the extraction and coding of pregnancy data for the asthma cohort. We would also like to thank the mothers and infants who participated in this research study.

Funding

CAM, AW, and OMW were supported by a Research Training Program Stipend Scholarship provided by the Australian Government. VEM was supported by a Career Development Fellowship from the National Health and Medical Research Council (1084816). The Breathing for Life Trial research project was supported by a National Health and Medical Research Council project grant (1060983). This research was conducted with financial assistance from the Priority Research Centre GrowUpWell® at The University of Newcastle. The funding bodies had no role in the design of the study, data collection, data analysis, interpretation of data nor in writing the manuscript.

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Authors and Affiliations

Authors

Contributions

CAM: designed the study, collected, analyzed and interpreted data, wrote and revised the manuscript. AEL: contributed to the study conception, collected and interpreted data, commented on manuscript. VEM: contributed to the study conception, commented on manuscript. AW: collected data and commented on manuscript. OMW: collected data, commented on and edited manuscript. PGG: contributed to the study conception, commented on manuscript. FK: contributed to the study conception, commented on manuscript. LEC: contributed to the study conception and design, collected and interpreted data, revised manuscript.

Corresponding author

Correspondence to Linda Elisabet Campbell.

Ethics declarations

Ethics Approval

All procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and standards, laid down in the 1964 Helsinki Declaration. Ethical approval of the study was granted by the Hunter New England Human Research Ethics Committee (15/05/20/4.05) and the University of Newcastle Human Research Ethics Committee (H-2015-0307).

Informed Consent

Written informed consent was obtained from the mothers to participate in this study and have their data published.

Conflict of Interest

The authors declare no competing interests.

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Mallise, C.A., Lane, A.E., Murphy, V.E. et al. Developmental Profiles of Infants with an Elevated Likelihood of Autism Who Were Born to Mothers with Asthma: a Case Series. Adv Neurodev Disord 5, 473–487 (2021). https://doi.org/10.1007/s41252-021-00221-x

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  • DOI: https://doi.org/10.1007/s41252-021-00221-x

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