Published January 1, 2017 | Version v1
Journal article Open

Does the sex of one's co-twin affect height and BMI in adulthood? A study of dizygotic adult twins from 31 cohorts

  • 1. Univ Helsinki, Inst Mol Med, FIMM, POB 20FI, Helsinki 00014, Finland
  • 2. Univ Southern Denmark, Dept Publ Hlth Epidemiol Biostat & Biodemog, Danish Twin Registry, Odense, Denmark
  • 3. Natl Ctr Epidemiol Surveillance & Hlth Promot, Ist Super Sanita, Rome, Italy
  • 4. Mokpo Natl Univ, Dept Educ, Jeonnam, South Korea
  • 5. Virginia Commonwealth Univ, Virginia Inst Psychiat & Behav Genet, Dept Human & Mol Genet, Richmond, VA 23284 USA
  • 6. Virginia Commonwealth Univ, Psychiat & Massey Canc Ctr, Dept Human & Mol Genet, Richmond, VA 23284 USA
  • 7. Hlth Twin Assoc Mongolia, Ulaanbaatar, Mongolia
  • 8. Univ Melbourne, Ctr Epidemiol & Biostat, Australian Twin Registry, Melbourne, Vic, Australia
  • 9. Med Sch Berlin, Dept Psychol, Berlin, Germany
  • 10. Univ British Columbia, Dept Psychiat, Vancouver, BC, Canada

Description

Background: The comparison of traits in twins from opposite-sex (OS) and same-sex (SS) dizygotic twin pairs is considered a proxy measure of prenatal hormone exposure. To examine possible prenatal hormonal influences on anthropometric traits, we compared mean height, body mass index (BMI), and the prevalence of being overweight or obese between men and women from OS and SS dizygotic twin pairs.

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