Periconceptional smoking and male: female ratio of newborns

Fabio Parazzini, Liliane Chatenoud, Cristina Maffioletti, Francesca Chiaffarino, Donatella Caserta

Research output: Contribution to journalArticle


We have analysed data collected on 1962 women who gave birth at 37 or more weeks of gestation to health infants (excluding those with a low birth weight and twins). In comparison with non-smoking parents, the odds ratio (OR) of being male was lower than unity for offsprings of both smoking parents, but no clear relationship however emerged between the risk of giving birth to a male, and the number of cigarettes smoked per day.

Original languageEnglish
Pages (from-to)613-614
Number of pages2
JournalEuropean Journal of Public Health
Issue number6
Publication statusPublished - Dec 2005


  • Male:female ratio
  • Preconceptional
  • Smoking

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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