8. Emergency Contraception

8.1 Options

  • Levonorgestrel pill (Plan B type)
  • Ulipristal acetate (Ella type)
  • Copper IUD – most effective emergency method

8.2 Mechanisms

  • Delay ovulation
  • Prevent fertilization
  • Copper IUD prevents implantation

8.3 Timing

  • Most effective within 72 hours (pills)
  • Copper IUD effective up to 5 days after unprotected intercourse