Sex-dependent associations between maternal prenatal cortisol and child callous-unemotional traits: Findings from the Wirral Child Health and Development Study.

"Declaration of Competing Interest None"

"The research was funded by grants from the UK Medical Research Council (G0900654; G0400577; MR/L022257/1). Andrew Pickles is partially supported by NIHR grant NF-SI-0617-10120. The authors are grateful to all participating families and research staff who contributed to this work. They also thank Wirral University Teaching Hospital NHS Foundation Trust, Wirral Community NHS Foundation Trust, Cheshire and Wirral Partnership NHS Foundation Trust and the National Institute for Health Research (NIHR) Biomedical Research Centre at South London and Maudsley NHS Foundation Trust. The authors have declared no competing or potential conflicts of interest. Nicola Wright: Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Visualization, Writing - original draft, Writing - review & editing. Andrew Pickles: Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Visualization, Writing - original draft, Writing - review & editing. Elizabeth C. Braithwaite: Conceptualization, Visualization, Writing - original draft, Writing - review & editing. Helen Sharp: Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing - review & editing. Jonathan Hill: Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing - original draft, Writing - review & editing."