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DOES CIGARETTE SMOKING INCREASE TIME TO CONCEPTION?

Published online by Cambridge University Press:  09 January 2002

MARCUS MUNAFÒ ,
MICHAEL MURPHY ,
DAVID WHITEMAN  and
KATE HEY
MARCUS MUNAFÒ
Affiliation:
Institute of Health Sciences, University of Oxford, Oxford
MICHAEL MURPHY
Affiliation:
Institute of Health Sciences, University of Oxford, Oxford
DAVID WHITEMAN
Affiliation:
Institute of Health Sciences, University of Oxford, Oxford
KATE HEY
Affiliation:
Institute of Health Sciences, University of Oxford, Oxford
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Abstract

Data are reported on the relationship between cigarette smoking and other health-related behaviours and time to conception in a population-based sample of women who acted as a control group in a case-control study of twinning. Women who continued to smoke close to the time of conception took significantly longer to become pregnant than women who never smoked or stopped smoking before the year during which they attempted to conceive. A hierarchical regression analysis performed on time-to-conception data in women who continued to smoke in the year before conception provided weak evidence for a dose–response relationship between time to conception and number of cigarettes smoked per day. No significant relationships were found between time to conception and other health-related behaviours.

Type
Research Article
Information
Journal of Biosocial Science , Volume 34 , Issue 1 , January 2002 , pp. 65 - 73
Copyright
© 2002 Cambridge University Press

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