Plan B is most effective when taken within 12 hours, with 95% effectiveness decreasing to 89% at 24 hours. The sooner you take it after unprotected intercourse, the better it works. Plan B can reduce pregnancy risk by up to 89% when taken within 72 hours, but effectiveness drops significantly after the first day. The morning after is still within the optimal window, especially if taken early. Studies show that levonorgestrel, Plan B's active ingredient, works primarily by preventing or delaying ovulation when taken before the luteinizing hormone surge.
What are the side effects of taking Plan B?
Is Plan B less effective if you weigh more?
Can you take Plan B multiple times in one cycle?
Compare effectiveness rates and timing windows for Plan B, ella, and copper IUDs. Learn which emergency contraceptive option offers the highest pregnancy prevention rates for your situation.
Discover common and rare side effects of Plan B emergency contraception. Get guidance on when to seek medical attention and how to manage symptoms after taking the pill.
Debunk common misconceptions about Plan B and emergency contraception. Learn the scientific facts about how these medications work and their impact on future fertility.
Spring Cleaning as a Mental ResetWarmer temperatures and longer days signal more than just a change in weather. Spring represents a biological shift that affects mood, [...]
Read MoreWhat Is the RICE Method?The RICE protocol was introduced in 1978 by sports medicine physician Dr. Gabe Mirkin in "The Sports Medicine Book." The acronym stands for [...]
Read MoreUnderstanding Skin Cancer Types and Treatment GoalsA skin cancer diagnosis can feel overwhelming, but treatment options have never been more effective. With approximately [...]
Read More
