This website is now the new JPND's archival platform. This website hosts all of JPND's archived content and resources.
Please continue to visit this site to access publications, videos and reports from JPND's activities.
Hertfordshire Birth Cohort
The Hertfordshire Cohort Study comprises a nationally unique study of 3000 men and women born during the period 1931-1939 and still resident in the English county of Hertfordshire. Information available on these individuals includes birthweight (recorded by the attending midwife),…