1. Prevalence of obesity among adults and youth: United States, 2015–2016. In: Statistics CfDCaPNCfH, editor.: U.S. Department of Health and Human Services; 2017.
2. Kavanaugh ML, Jerman J. Contraceptive method use in the United States: trends and characteristics between 2008, 2012 and 2014. Contraception. 2018;97(1):14–21.
3. Establishing effectiveness and safety for hormonal drug products intended to prevent pregnancy guidance for industry. Office of Medical Products and Tobacco, Center for Drug Evaluation and Research, Food and Drug Administration. 2019.
4. Jensen J, Creinin M. Speroff & Darney’s clinical guide to contraception: Wolters Kluwer Health; 2019.
5. Adams JP, Murphy PG. Obesity in anaesthesia and intensive care. Br J Anaesth. 2000;85(1):91–108.