Emergency Contraception: Hours Left on the Label
Hours since unprotected intercourse against each source, side by side.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Date and time of unprotected intercourse
- 2026-10-10T22:00
- Date and time now
- 2026-10-12T12:00
Result: 38 hours: inside the Plan B label's 72 hours, the ella label's 120 hours and CDC's 5 days.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Date and time of unprotected intercourse (YYYY-MM-DDTHH:MM)
- Date and time now (YYYY-MM-DDTHH:MM)
How this is calculated
Citation
FDA labels on DailyMed: Plan B One-Step Drug Facts (within 72 hours) and ella section 2 (within 120 hours). CDC. U.S. Selected Practice Recommendations for Contraceptive Use, 2024. MMWR Recomm Rep 2024;73(RR-3): Emergency Contraception (within 5 days). Read the sources: Plan B One-Step label ↗, ella label ↗, CDC 2024 ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.