%0 Journal Article %A Geraldine Barrett %A Elizabeth Mary Nolan %A Zeynep B Gürtin %A Judith Stephenson %A Jennifer Anne Hall %T London Measure of Unplanned Pregnancy and newer family forms: an update %D 2020 %R 10.1136/jech-2020-214419 %J Journal of Epidemiology and Community Health %P 765-765 %V 74 %N 9 %U https://jech.bmj.com/content/jech/74/9/765.full.pdf