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Paediatr Perinat Epidemiol. 2006 Nov;20 Suppl 1:60-5.

Workshop recommendations for the preconception cohort of the National Children's Study.

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Retired, National Center for Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, Washington, DC, USA.


This paper summarises discussions on incorporating preconception recruitment in the National Children's Study (NCS); these were part of the workshop on Expanding Methodologies for Capturing Day-Specific Probabilities of Conception. Four key issues were discussed in relation to the NCS: (1) differences between pregnancy 'planners' and 'non-planners'; (2) a tiered approach to preconception data collection; (3) data gaps in preconception studies; and (4) assessment of early pregnancy in subsequent pregnancies for women with a child already in the study. Practical recommendations were developed for each theme, which have relevance for other prospective studies of conception, pregnancy and human development.

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