Emergency contraception statement
Publisher/Organizer: International Federation of Gynecology & Obstetrics (FIGO)/International Consortium for Emergency Contraception
Publication date: March 2011
Number of pages: 3
Mechanism of action: how do levonorgestrel-only emergency contraceptive pills (LNG ECPs) prevent pregnancy?
Levonorgestrel-only emergency contraceptive pills:
- Interfere with the process of ovulation;
- May possibly prevent the sperm and the egg from meeting.