Epidemiology

British Journal of Cancer (2007) 97, 986–988. doi:10.1038/sj.bjc.6603931 www.bjcancer.com
Published online 14 August 2007

Molar pregnancy and childhood cancer: a population-based linkage study from Denmark

J Schüz1, N Martinussen1, T Lightfoot2, E Roman2 and J F Winther1

  1. 1Institute of Cancer Epidemiology, Danish Cancer Society, Strandboulevarden 49, DK-2100 Copenhagen, Denmark
  2. 2Epidemiology & Genetics Unit, Department of Health Sciences, The University of York, Area 3 Seebohm Rowntree Building, Heslington, York YO10 5DD, UK

Correspondence: Dr J Schüz, E-mail: joachim@cancer.dk

Received 14 May 2007; Revised 12 July 2007; Accepted 18 July 2007; Published online 14 August 2007.

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Abstract

We observed a relative risk of 1.40 (95% confidence interval; 0.86–2.16) for cancers diagnosed under the age 20 in 6192 offspring of 3431 mothers with a molar pregnancy, indicating it is not a major determinant of childhood cancer.

Keywords:

childhood cancer, childhood leukaemia, molar pregnancy, epigenetics, population-based cohort study