- Smith RP, et al. Dysmenorrhea in adult women: Clinical features and diagnosis. https://www.uptodate.com/contents/search. Accessed April 1, 2020.
- Dysmenorrhea. Merck Manual Professional Version. http://www.merckmanuals.com/professional/gynecology-and-obstetrics/menstrual-abnormalities/dysmenorrhea#v1062408. Accessed Dec. 26, 2017.
- Smith RP, et al. Dysmenorrhea in adult women: Treatment. https://www.uptodate.com/contents/search. Accessed April 1, 2020.
- Frequently asked questions. Gynecologic problems FAQ046. Dysmenorrhea: Painful periods. American College of Obstetricians and Gynecologists. https://www.acog.org/patient-resources/faqs/gynecologic-problems/dysmenorrhea-painful-periods. Accessed April 1, 2020.
- American College of Obstetricians and Gynecologists. Committee Opinion No. 760: Dysmenorrhea and endometriosis in the adolescent. Obstetrics & Gynecology. 2018; doi:10.1097/AOG.0000000000002978.
- Period pain: Overview. PubMedHealth. https://www.ncbi.nlm.nih.gov/books/NBK279324/. Accessed April 1, 2020.