ellaOne is a form of emergency contraception that works by delaying ovulation and is taken after sex.
What is in the ellaOne pill?
Androgenicity unknown progestogen
Alternative to ellaOne pill
This contraceptive sits in Group 2 and has the same hormonal ingredient as:
Copper coil (IUD)
Once after sex
Blood clot risk
Effect on fertility
Can ellaOne delay your period?
Does ellaOne work if you've already ovulated?
Does ellaOne cause weight gain?
How long does ellaOne stay in your system?
Can I order ellaOne online?
How ellaOne pill works:
How to use ellaOne pill:
How safe is ellaOne pill:
This information is reviewed by our medical team.
Faculty of Sexual and Reproductive Health. FSRH Clinical Guideline: Emergency Contraception (March 2017, amended December 2020)