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  1. Plan B (Morning-After Pill): Effectiveness and Side Effects

    Feb 20, 2025 · What are the effectiveness and side effects of Plan B, the morning-after pill. Understand how this emergency contraception option works and its potential impacts on your …

  2. Plan B (Morning-After Pill): How it Works, Side Effects - Drugs.com

    May 13, 2025 · Plan B (levonorgestrel) is an emergency contraceptive pill (morning-after pill) that is used to prevent pregnancy after unprotected sex or contraceptive failure.

  3. Plan B Morning After Pill - CVS

    Plan B One-Step is an emergency contraceptive pill designed to help prevent pregnancy after you have unprotected sex or in the event of a birth control failure, such as a condom breaking.

  4. Plan B Morning After Pill Contraceptive | Walgreens

    Plan B One-Step is emergency contraception that helps prevent pregnancy before it starts when taken within 72 hours after unprotected sex. Plan B is a backup method of preventing …

  5. Plan B Side Effects Management and Timeline - Verywell Health

    Nov 14, 2025 · Plan B side effects typically last 24 hours. Learn about common symptoms and when to see a healthcare provider if they persist.

  6. Plan B FAQs - Plan B One-Step

    Everything you need to know about Plan B in one place. Get answers to your emergency contraception questions here.

  7. Morning-after pill - Mayo Clinic

    Jul 2, 2024 · Plan B One-Step is a type of morning-after pill that can be used after unprotected sex to prevent pregnancy. Plan B One-Step contains the hormone levonorgestrel. It usually …

  8. Morning After Pill: Emergency Contraception & Side Effects

    The morning-after pill (Plan B or ella) is emergency contraception you take after unprotected sex to prevent pregnancy. It’s more effective the sooner you take it.

  9. How Effective Is Plan B? Here’s What Experts Say - GoodRx

    Aug 12, 2025 · Plan B One-Step (levonorgestrel) is a popular brand name for an emergency contraceptive tablet. It’s about 89% effective for preventing pregnancy when taken within 72 …

  10. Plan B (Morning-After Pill): Uses, Effectiveness, and Safety

    Jul 29, 2024 · Plan B One-Step (levonorgestrel) is a Food and Drug Administration (FDA) approved, over-the-counter (OTC) emergency contraceptive. This pill works by stopping the …