Key Terms
Definition
EC prevents pregnancy after unprotected or inadequately protected sexual intercourse. It works before implantation.
All EC options
Effective up to 5 days (120 hours) after unprotected intercourse.
Brand names
Plan B, My Choice, Take Action (and generics) Type:
Progestin-only pill Rx required
NO - OTC to anyone, any age, any gender, no parental consent required Time window: Most effective within 72 hours; effic
Brand name
ParaGard Rx required: YES - prescription AND insertion by trained healthcare professional Time window: Effective up to 1
Weight concern
Less effective in overweight or obese patients
Type
Combined oral estrogen-progestin regimen Rx required: YES - prescription required Note: Less commonly used now that dedi
Pharmacist obligation
Understand the mechanism of EC so it is not incorrectly characterized. Make every effort to minimize barriers to dispens
Patient summary
Same patient returning after third EC use in three months. Wants to start oral contraceptives.
Response
EC prevents pregnancy by preventing or delaying ovulation or preventing fertilization and implantation. EC does not end
Emergency Contraception (EC)
Contraception used after unprotected or inadequately protected intercourse to prevent pregnancy.
Levonorgestrel (LNG)
Progestin-only EC. Only EC available OTC without age or gender restriction.
Ulipristal Acetate (UPA)
Selective progesterone receptor modulator. Prescription EC.
Yuzpe Method
Combined estrogen-progestin EC regimen. Prescription required.
Copper IUD (Cu-IUD)
Most effective EC method. Prescription + trained provider required.