1. Pregnancy and childbirth among females aged 10-19 years—United States, 2007–2010;Ventura;MMWR Suppl,2013
2. Adolescent pregnancy and its outcomes across countries. Guttmacher Institute; 2015 [accessed 2022 June 3]. 〈https://www.guttmacher.org/fact-sheet/adolescent-pregnancy-and-its-outcomes-across-countries〉.
3. Sexually transmitted infections and contraceptive use in adolescents;Derefinko;Am J Prev Med,2020
4. Adolescents and young adults [Internet]. Cdc.gov; 2022 [accessed 2022 June 3]. 〈https://www.cdc.gov/std/life-stages-populations/adolescents-youngadults.htm〉.
5. Dual use of condoms with other contraceptive methods among adolescents and young women in the United States;Tyler;J Adolesc Health,2014