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Are observed associations between a high maternal prepregnancy body mass index and offspring IQ likely to be causal?
  1. Helen Coo1,
  2. Leandre Fabrigar2,
  3. Gregory Davies3,
  4. Renee Fitzpatrick4,
  5. Michael Flavin1
  1. 1 Pediatrics, Queen's University, Kingston, Ontario, Canada
  2. 2 Psychology, Queen's University, Kingston, Ontario, Canada
  3. 3 Obstetrics & Gynaecology, Queen's University, Kingston, Ontario, Canada
  4. 4 Psychiatry, Queen's University, Kingston, Ontario, Canada
  1. Correspondence to Helen Coo, Pediatrics, Queen's University, Kingston, ON K7L 3N6, Canada; cooh{at}queensu.ca

Footnotes

  • Contributors HC: concept, design, analysis, interpretation, drafting and critical revision. LF: design, analysis, interpretation and critical revision. GD, RF and MF: design, interpretation and critical revision.

  • Funding This analysis was supported by a grant from the Queen’s University Department of Pediatrics Development and Innovation Fund.

  • Disclaimer This publication is the work of the authors, who will serve as guarantors for the contents of this paper.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Ethics approval Ethical approval for the study was obtained from the Avon Longitudinal Study of Parents and Children (ALSPAC) Ethics and Law Committee and the Local Research Ethics Committees, as well as from the Queen’s University Health Sciences and Affiliated Teaching Hospitals Research Ethics Board (#6013816; PAED-363-14).

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement Data may be obtained from a third party and are not publicly available.

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Footnotes

  • Contributors HC: concept, design, analysis, interpretation, drafting and critical revision. LF: design, analysis, interpretation and critical revision. GD, RF and MF: design, interpretation and critical revision.

  • Funding This analysis was supported by a grant from the Queen’s University Department of Pediatrics Development and Innovation Fund.

  • Disclaimer This publication is the work of the authors, who will serve as guarantors for the contents of this paper.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Ethics approval Ethical approval for the study was obtained from the Avon Longitudinal Study of Parents and Children (ALSPAC) Ethics and Law Committee and the Local Research Ethics Committees, as well as from the Queen’s University Health Sciences and Affiliated Teaching Hospitals Research Ethics Board (#6013816; PAED-363-14).

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement Data may be obtained from a third party and are not publicly available.

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