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    Laterality in five‐year‐olds conceived by intracytoplasmic sperm injection, standard in vitro fertilisation and natural conception: a European study

    Sutcliffe, A.G. and Barnes, Jacqueline and Wennerholm, U.B. and Loft, A. and Tarlatzis, B.C. and Ponjaert-Kristofferson, I. and Bonduelle, M. (2005) Laterality in five‐year‐olds conceived by intracytoplasmic sperm injection, standard in vitro fertilisation and natural conception: a European study. British Journal of Obstetrics and Gynaecology 112 (10), pp. 1397-1401. ISSN 0306-5456.

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    Abstract

    Objective: To assess laterality in a group of European children conceived with the help of assisted reproductive therapy, or naturally conceived. Design: Prospective cohort study. Setting: Five European countries. Population: A total of 1525 five‐year‐old children divided into three groups according to conception status: naturally conceived; intracytoplasmic sperm injection (ICSI); in vitro fertilisation (IVF) group. Methods: All children were assessed using the McCarthy Scale of Children's Abilities (Motor Scale) with additional items using a comb, a spoon and an indirect measure was made of the parental handedness scores, using a questionnaire. Main outcome measures: Child handedness for drawing and writing. Results: Observed handedness did not differ significantly between natural conception, IVF and ICSI in girls or boys, except for ICSI‐conceived girls, fewer of whom were left‐handed than the naturally conceived controls, 7.0%versus 12.4% (P < 0.05), however, this was close to the population norm of 8%. The degree of parental handedness did not significantly vary in the three groups. Conclusions: Laterality, as assessed by handedness, may be marginally less common in girls conceived with assisted reproductive therapies than with children conceived naturally.

    Metadata

    Item Type: Article
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Depositing User: Sarah Hall
    Date Deposited: 01 Oct 2019 15:00
    Last Modified: 01 Oct 2019 15:00
    URI: http://eprints.bbk.ac.uk/id/eprint/29218

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