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December 21, 2006

Plan B. The new morning after pill

Filed under: Uncategorized — Ashlynn @ 10:07 am

Plan B is a new emergency contraceptive (morning after pill). It is made up of two progestin-only pills containing levonorgestrel. Progestins are the “pregnancy” hormone. Levonorgestrel is used in regular birth control methods, such as birth control pills.

When should I consider using Plan B?

The morning after pill can be effective in preventing pregnancy if taken within the first 72 hours after having unprotected sex or contraceptive failure.

Contraceptive failure can be if the condom breaks, slips, or is misused, you missed your pill 2 or more days in a row, your diaphragm dislodged or was removed too early, you miscalculated your fertile period if you use the “rhythm method”. Plan B can also be considered in cases of sexual assault.

How does the morning after pill work?

You will find 2 pills in the pack. One should be taken immediately (within 72 hours of unprotected sex), and the second, 12 hours later. Plan B is more effective the sooner you take it.

Plan B does 1 of 3 things:

  • It temporarily stops the release of an egg from the ovary
  • It prevents fertilization; or
  • It prevents a fertilized egg from attaching to the uterus

What should I know about Plan B?

Plan B is not an abortion pill. It will not work if you already have a confirmed pregnancy, that is, a fertilized egg has attached to the wall of your uterus. It will not protect you from HIV/AIDS or other sexually transmitted diseases and infections.

You should not use the morning after pill if you have a confirmed pregnancy, have unexplained vaginal bleeding, or are allergic to the ingredients in the pills.

If you’re taking any other medication, have known or suspected cancer of the breast, have active liver disease or tumor, have diabetes, you are currently ill, or you have a long-term medical condition, be sure to tell your pharmacist, doctor or health clinic before taking plan B, and ask them what to do next.

Do not think of Plan B as your regular method of birth control. It does not provide long-term protection against future pregnancy it only works to prevent this one incident. Speak with your doctor to find the method of birth control that best suits your needs.

How effective is Plan B?

Provided you follow the instructions, it is:

  • 95% effective within 24 hours of unprotected sex
  • 85% effective between 25 and 48 hours
  • 58% effective between 49 and 72 hours

Your dose of Plan B is less likely to work if:

  • You have unprotected sex again in the same menstrual cycle after taking Plan B
  • You’ve already had unprotected sex earlier in your menstrual cycle
  • You vomit within 1 hour of taking plan B (talk to your pharmacist if this happens)
  • You’re taking other medication that may reduce it’s effectiveness
  • You’ve already taken Plan B once since your last period and you now find yourself pregnant, do not take it again. It does not work if you already have a confirmed pregnancy. If you feel you need further assistance, call your doctor or local health clinic as soon as possible.

Are there any side effects?

It’s highly unlikely you’ll experience any major side effects. Most women can carry on with their activities as usual. If you do have a headache or feel sick, it should pass fairly quickly. If it doesn’t, speak with your doctor.

After taking Plan B, most women will get their period when expected. But sometimes your period might come earlier or later, and might be lighter or heavier than usual. You may also experience some “spotting” until your next period. There’s no need to worry, this isn’t a sign that anything is wrong. It’s just the effect of the progestin hormone on your body.

BirthControlBuzz is a service company that provides birth control prices, birth control types (prescription required), health administrative services, and birth control statistics predominantly to US patients seeking to purchase pharmaceuticals on-line.

For more information, call 1-866-868-8850 or visit http://www.birthcontrolbuzz.com/.

Birth Control Buzz is a service company that provides birth control prices, types of birth control(prescription required), health administrative services, and birth control statistics predominantly to US patients seeking to purchase pharmaceuticals on-line. For more information, call 1-866-868-8850 or visit http://www.birthcontrolbuzz.com/.


  1. I took it and within 48 hours and still got pregnant!!!

    Comment by Anonymous — April 8, 2008 @ 12:24 am

  2. i took it within the 24 hours an i also just got a positive pregnancy test!!!!i chewed the pills…. would that make difference

    Comment by Anonymous — June 20, 2008 @ 1:23 pm

  3. It works!!!

    Comment by Anonymous — June 25, 2008 @ 5:49 pm

  4. It works!

    Comment by Anonymous — June 25, 2008 @ 5:50 pm

  5. crap ok two say it didnt and two say it did….. damn thats a 50-50 chance FUK!!!!

    Comment by Scared and Confused — October 3, 2008 @ 8:26 am

  6. took it within 12 hours and still got pregnant!!!

    Comment by Anonymous — November 8, 2008 @ 2:47 pm

  7. I took it within 48 hours and still got pregnant too!!!

    Comment by Anonymous — December 26, 2008 @ 1:52 pm

  8. why is that?not effective at all?

    Comment by Anonymous — January 6, 2009 @ 5:17 pm

  9. i used plan b as my for three years when i needed to and now i can’t get pregnant.another friend of mine has the same problem.

    Comment by Anonymous — February 18, 2009 @ 9:42 pm

  10. i took it with in 12 hours and got a pos preg test 20 days later. I don't think it works. I feel mislead.

    Comment by Anonymous — December 30, 2009 @ 12:56 pm

  11. I think everything starts and ends with education … and contraptive pills are just one more tool, not the absolute answer, but it should be made available for teens (who will usually feel too embarrassed to turn to their parents or professional doctor in these delicate matters, in addition to making the pills more accessible teens should be referred to informational sources such as the-morning-after-pill.com or yahoo answers

    Comment by Anny — April 28, 2011 @ 11:15 am

  12. its meant to be 95% affective but obviously theres still that chance you could get pregnant

    Comment by sasha — June 20, 2011 @ 2:43 am

  13. I took it 15 hours after sex. After reading this im nervous it wont work. F

    Comment by Michelle — July 16, 2011 @ 10:48 pm

  14. i took it 58 hours afterwards… after reading that so many people are still getting pregnant.. im very worried. it has worked for my four time before, but i always took it sooner.

    Comment by Lisa — September 11, 2011 @ 9:48 am

  15. Dear Lisa,

    In this case, you can wait for your period to come first. If it doesn’t come take a home pregnancy test. If it is positive, make an appointment with your doctor to get a more accurate pregnancy test.

    Comment by Janine — September 12, 2011 @ 9:49 am

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