Individual Study / DNBC

Danish National Birth Cohort

Danish National Birth Cohort

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Initiatives -
Start Year
Danish National Research Foundation, Danish Pharmaceutical Association, Ministry of Health, National Board of Health, Statens Serum Institut, BIOMED, March of Dimes Birth Defects Foundation, Danish Heart Association, Danish Medical Research Council, and Sygekassernes Helsefond.
Supplementary Information
International HundredK+ Cohorts Consortium (IHCC) (66
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Investigators Contacts
  • Dr. Prof. Kåre Mølbak
    Statens Serum Institut
  • Dr. Prof. Mads Melbye
    Stanford University School of Medicine / Copenhagen University


Study design
Population cohort
Follow Up
Telephone interview occurs four times at gestational weeks 12 and 30 and when the child is 6 and 12 months old. At at weeks 25± 26 of gestation all participants receive a food frequency questionnaire. these newborns have been followed at year 7, 11, 14 and 18. There was one follow-up questionnaire to study the health of women after childbirth. A subsample was included in the puberty follow-up from 2012 to 2020 that asked the participants to complete a short questionnaire every 6 months.
Supplementary Information

Marker Paper

Olsen J, Melbye M, Olsen SF, et al. The Danish National Birth Cohort--its background, structure and aim. Scand J Public Health. 2001;29(4):300-307. doi:10.1177/14034948010290040201

PUBMED 11775787


Sources of Recruitment
  • Families
  • Other : Pregnant women and their newborns.

Number of participants

Number of participants
Number of participants with biosamples


Availability of data and biosamples


Availability of access information

On the study website :

Supplementary Information