ELLA (Ulipristal) Factsheet

  • The most common side effects are: headache (18%), abdominal pain (12%), nausea (12%), cramps (9%), fatigue (6%), and dizziness (5%). (5)
  • Your next period may be a few days early or late after taking ella. You should take a pregnancy test if your period is seven days late or more.
  • There is not enough information about what dangers ella can have on an existing pregnancy. If you take ella while you’re pregnant, or if you get pregnant despite taking ella, you are encouraged to register at https://ellanow.com/
  • There should be no change to your fertility. You can still get pregnant at a later date after using ella or any other type of emergency contraception.
  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