Key references: Contraception and venous thromboembolism

European Medicines Agency (EMA). Benefits of combined hormonal contraceptives (CHCs) continue to outweigh risks—CHMP endorses PRAC recommendation [Press release EMA/709120/2013]. Amsterdam: EMA; 2013. https://www.ema.europa.eu/en/news/benefits-combined-hormonal-contraceptives-chcs-continue-outweigh-risks-chmp-endorses-prac
Lidegaard O. Hormonal contraception, thrombosis and age. Expert Opin Drug Saf 2014;13(10):1353–60. https://www.ncbi.nlm.nih.gov/pubmed/25227335
Tepper NK, Jeng G, Curtis KM, Boutot ME, Boulet SL, Whiteman MK. Venous thromboembolism among women initiating depot medroxyprogesterone acetate immediately postpartum. Obstet Gynecol 2019;133(3):533–40. https://www.ncbi.nlm.nih.gov/pubmed/30741807
Tepper NK, Whiteman MK, Marchbanks PA, James AH, Curtis KM. Progestin-only contraception and thromboembolism: A systematic review. Contraception 2016;94(6):678–700. https://www.ncbi.nlm.nih.gov/pubmed/27153743