ELLA (Ulipristal) Factsheet

  • ella prevents the release of an egg from the ovary (ovulation) for up to five days after unprotected sex. ella does not work after an egg is fertilized.
  1. Afaxys, Inc. (2016, August). FAQ. From http://www.ellanow.com/
  2. Ella-KwikMed. (2017). https://www.ella-kwikmed.com/
  3. Glasier, A.F. et al. (2010, February 13). Ulipristal acetate versus levonorgesterel for emergency contraception: a randomized non-inferiority trial and meta-analysis. Lancet 375(9714), pp. 555-62. Abstract at https://www.ncbi.nlm.nih.gov/pubmed/20116841/
  4. Office of Population Research & Association of Reproductive Health Professionals. (2016). Answers to frequently asked questions about effectiveness. From http://ec.princeton.edu/questions/eceffect.html
  5. ella important safety information. (2015, March). https://www.ellanow.com/hcp/pdf/_ella-ISI-professional.pdf