Plan B decreases the chance of unintended pregnancy.

It is available over-the-counter (OTC) at pharmacies, family planning clinics, or health department clinics.

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How Long Is Plan B Effective?

Levonorgestrel

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Plan B One-Step is a hormonal drug taken by mouth that contains 1.5 milligrams of levonorgestrel.

This is the same timeframe during whichspermare still viable.

Sperm can survive in thefemale reproductive tractand be capable of fertilizing an egg for four to five days.

After six days, the ability of sperm to conceive pregnancy drops to less than 1%.

What Can Reduce How Long Plan B Works?

Plan B One-Step does not work if you have already ovulated.

At the same time, the half-life of levonorgestrel can vary, ranging from 20 hours to 60 hours.

This doesn’t mean that Plan B is less effective if you are overweight.

It only highlights the need to take the drug as early as possible to improve your odds of protection.

How Effective Is Plan B?

The sooner it is taken, the more effective it is.

It may also be effectivejust not as effectivewhen taken four to five days after unprotected sex.

Does Plan B Affect Future Pregnancies?

Emergency contraception does not affect future fertility or any future chances of getting pregnant.

What Medications Interact With Plan B?

Certain drugs may interact can Plan B One-Step, making it less effective.

Taking them this close together can counteract their effects and cause them to fail.

Can Plan B Cause Side Effects?

As with all drugs, Plan B One-Step can cause side effects.

Do not take more than one dose of Plan B.

Do I Need a Pregnancy Test After Using Plan B?

Who Can Take Plan B?

it does not protect againstsexually transmitted infections (STIs)likeHIV.

In addition, Plan B One-Stepshould notbe usedif:

Where Can You Get Plan B?

Anyone of any age or gender can buy Plan B One-Step without a prescription.

Identification is not required.

it’s possible for you to purchase Plan B One-Step for about $40 to $50.

ManyMedicaidand private insurance plans cover Plan B with no co-pay.

Plan B works by preventing ovulation.

Side effects include irregular periods, spotting, nausea, and breast pain.

Plan B can be purchased online, in drugstores, or in family planning clinics without a prescription.

you could buy it irrespective of age or gender and do not need identification.

Planned Parenthood.Whats the Plan B morning-after pill?

Planned Parenthood.The difference between the morning-after pill and the abortion pill.

DailyMed.Plan B One-Step - levonorgestrel tablet.

International Federation of Gynecology and Obstetrics.Mechanism of action of emergency contraception.

Matyanga CM, Dzingirai B.Clinical pharmacology of hormonal emergency contraceptive pills.Int J Reprod Med.

December 12, 2022.

2019;99(5):306-311. doi:10.1016/j.contraception.2019.01.003

New York State Department of Health.Emergency contraception for preventing pregnancy.

Food and Drug Administration.Plan B One-Step (1.5 mg levonorgestrel) information.