Harmonised fertility histories in four British longitudinal cohort studies (by Aase Villadsen)

Background: Since World War II, Britain has witnessed significant societal changes, including in relation to fertility. Robust longitudinal and cross-cohort research requires data harmonisation to create comparable fertility measures to understand the predictors and consequences of these changes across generations. Objective: This paper describes newly created datasets on fertility histories that have been derived and harmonised across four longitudinal British studies of cohorts born between 19