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The Medical Birth Registry


Primary variables

Birth weight

Child's CPR No.

Child's gender

Child's head measurement at birth

Civil status of parents


Father's CPR No.

Home birth

Intervention pre/post birth

Labour - duration

Live/dead birth


Mother's CPR No.

Multiple birth

Municipality of residence

Pregnancy - length



The Medical Birth Registry (MFR) contains data on all live and dead births in Denmark since 1973 at Danish maternity centres and home births. The registry contains data on the actual birth, the results of the birth and whether there were complications during labour. It also includes information about the parents, including their municipality of residence for instance, their civil status and CPR numbers.

The purpose of MFR is to create background documentation for the Danish Health Authority's monitoring of trends in the number of births and generally to contribute to monitoring one of the key indicators.

Before 1996, the registry was based on paper certificates reported to the Danish Health Authority. Since (and including) 1996, the registry has been primarily based on data registered with the National Patient Register (LPR) and CPR Register (CPR), supplemented with paper reports on home births and deaths.

More details

Health monitoring

Collection Period

Collection Period
The population consists of children born to women with Danish CPR numbers who have given birth either at home or in a hospital in Denmark
Database Categories

Application requirements

Scientific Services at The Danish Health Data Authority

Scientific Services (Danish: Forskerservice) at The Danish Health Data Authority is a Joint port of access to pseudo anonymized data that the Danish Health Data Authority are responsible for. Scientific Services works to support health research in Denmark, by providing access to, as well as advising on use of the National Danish health data.

Via Scientific Service researchers can obtain access to these data, either in a safe environment on the Research Mashine (Danish: Forskermaskinen) or by ordering data extractions that are delivered directly to the researcher.

To apply for access to data, a list of requirements must be obtained. A Project description and an extension description must be attached, containing information about which registries, variables, population and period that are applied for. Furthermore, the Danish Data Protection Agency (Danish: Datatilsynet) must approve the research project, and the approval should be attached to the application. If the research project includes direct contact with humans or human biological material, The National Committee on Health Research Ethics must also approve the project.

Application process

  • Use Scientific Services (Danish: Forskerservice) as application portal
  • Initial case processing
  • Preliminary approval of the permissions
  • Bidding
  • Acceptance of data access
  • Programming
  • Data access via the Research Machine (Danish: Forskermaskinen)



As a public authority and data processor The Danish Health Data Authority are subject to Danish laws for treatment of personal data, that should secure that the Danish health data are treated right. These legislations include The Act on Processing of Personal Data (Danish: Persondataloven) and The Danish Act of Health (Danish: Sundhedloven).

Contact information

Data owner
Danish Health Data Authority
Contact data owner
Ørestads Boulevard 5
2300 København S
Website - data owner
Data administrator
Danish Health Data Authority
Contact data administrator
Ditte Trier-Poulsen
T: 32 68 51 29
Website - data administrator