1. Unintended pregnancy and abortion by income, region, and the legal status of abortion: estimates from a comprehensive model for 1990–2019;Bearak;Lancet Glob Health,2020
2. UNFPA, Status of world population 2022. Seeing the invisible. Advocating for action on the overlooked unintended pregnancy crisis. New York, abr. 2022. Available from:https://popdesenvolvimento.org/images/noticias/2022/UNFPA-relatorio-popul-mundial-2022-PT.pdf. Access at: 05 Jul. 2023.
3. Clustering of characteristics associated with unplanned pregnancies: the generation R study;Enthoven;BMC Public Health,2022
4. The perpetuating cycle of unplanned pregnancy: underlying causes and implications in Eswatini;Hultstrand;Cult Health Sex,2021
5. United Nations Department of Economic and Social Affairs, Population Division (2020). World Family Planning 2020 Highlights: Accelerating action to ensure universal access to family planning (ST/ESA/SER.A/450). Available from: https://www.un.org/development/desa/pd/sites/www.un.org.development.desa.pd/files/files/documents/2020/Sep/unpd_2020_worldfamilyplanning_highlights.pdf. Accessed 12 July 2023.