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Reprod Biomed Online. 2010 Jan;20(1):144-9. doi: 10.1016/j.rbmo.2009.10.006. Epub 2009 Oct 30.

Growth of children conceived by IVF and ICSI up to 12years of age.

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Adolescent and General Paediatric Unit, Institute of Child Health, University College London, 250 Euston Road, 6th Floor, London NW1 2PQ, UK.


Recent studies have given conflicting results regarding growth in children born following assisted reproductive treatments up to the age of 18years. It has been suggested that children conceived via IVF may be taller than naturally conceived children and that this may due to subtle epigenetic alteration of imprinted genes as a result of the IVF process. A prospective match-controlled study was performed to investigate the growth of children born in the UK following standard IVF and intracytoplasmic sperm injection (ICSI) up to the age of 12years. The study assessed 143 IVF and 166 ICSI children with 173 matched naturally conceived controls. Primary end-points were height and weight at various time points: birth, 5years, 7-9years and 10-12years. In addition, head circumference was assessed at birth. No significant differences were observed regarding head circumference, height and weight between the three groups at any of the time points. In conclusion, this preliminary study provides reassuring information regarding the growth of IVF and ICSI children up to 12years. Further studies must continue to investigate the growth and other outcomes in assisted-conception children as they develop through puberty into early adulthood.

[Indexed for MEDLINE]

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