Cancer risk in individuals with major birth defects

Cancer risk in individuals with major birth defects: large Nordic population based case-control study among children, adolescents, and adults
BMJ 2020; 371 :m4060 2 December 2020

• The reported excess risk of cancer in children with birth defects varies by type of anomaly. A population based nested case-control study was carried out using health registries in Denmark, Finland, Norway, and Sweden to determine the relative risk of cancer in relation to major birth defects.
• See also editorial Major birth defects and cancer. BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4464