Emergency Contraception Options Explained
How levonorgestrel pills, ulipristal acetate, and copper IUDs work after unprotected sex.
6 min read · Reference: WHO emergency contraception fact sheet
Emergency contraception reduces pregnancy risk after unprotected intercourse or contraceptive failure. Levonorgestrel pills are most effective within 72 hours; ulipristal acetate extends efficacy to 120 hours in many protocols.
Emergency pills primarily delay or inhibit ovulation—they are not abortion medications and do not terminate established pregnancies. A copper intrauterine device inserted within five days provides the highest efficacy and ongoing contraception.
Heavier menstrual bleeding or cycle shifts can occur temporarily. If a period is more than a week late, take a pregnancy test.
Repeated reliance on emergency pills suggests reviewing ongoing contraceptive plans with a clinician. Accessibility and cost barriers should not delay time-sensitive use.
Medical disclaimer
This article is original educational content from Aegis Education. It is not medical advice, diagnosis, or treatment. For personal health concerns, contact a licensed healthcare professional or local emergency services when urgent care is needed.