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Doctor insights on: How Long Will Plan B Work

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How long does the Plan B pill work for?

How long does the Plan B pill work for?

One event: It is designed to be used within 72 hours after sex for one event. It is not a routine form of contraception. ...Read more

Plan B (Definition)

Levonorgestrel is a women's ...Read more


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How long does Plan B take to ingest and have effect?

How long does Plan B take to ingest and have effect?

Plan B: Plan B is taken orally. You swallow the pills within 72 hours of unprotected intercourse. When used in this way it decreases the risk of pregnancy by about 70%. IT works by delaying or blocking ovulation. It is not an abortive agent. It begins working as soon as you swallow it as the hormones are absorbed. ...Read more

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How long does it take for Plan B to leave your system?

A matter of days.: Even though Plan B is out of your system relatively quickly, the hormonal changes that occur may take up to several months after the Plan B was taken to even out. ...Read more

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How long does it take for plan B to leave my system?

48 hours: the medicine is usually out of your system in 48 hours but the effects on your uterus and ovaries can last weeks. ...Read more

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How does plan b work when you're ovulating? 

PLAN B: hello~ its a higher dose of estrogen and this makes the lining of the uterus (endometrium) to get thicker than it would w'out it and that causes it to run out of blood supply to sustain it and it sloughs off ( ie;menstruation) and bonus is that if you had an available egg and an available sperm and conception occurred, the fertilzed egg cannot implant, it is then lost in the menstrual effluent ...Read more

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How long does Plan B stay in your system?

5 days: "plan b" can stay in your system for up to five days, though it is not effective after three days max. If you have taken it, anticipate an irregular period afterwards. This is typical. ...Read more

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On average, how long will a vitamine B12 shot take to work?

On average, how long will a vitamine B12 shot take to work?

Within few minutes: It start working as soon as it reaches blood sream, that takes few minutes. ...Read more

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For how long after taking Plan B will your period be off?

May not be off at al: It depend when you took the Plan B , your period should come at the normal time. If it does not you need to check a pg test. ...Read more

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How long does Plan B stay in your body?

Just a few: Days. Even though Plan B is out of your system relatively quickly, the hormonal changes that occur may take up to several months after the Plan B was taken to even out. ...Read more

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How does Plan B work, and how long does the medication stay in your body?

How does Plan B work, and how long does the medication stay in your body?

Preventing ovulation: The medication works by inhibitting ovulation. Thus, no egg, no pregnancy! the half-life of the medication varies greatly ranging from 11 to 45 hours and so it is difficult to say for sure. Based on this, it stays in the body for about 2.5 days to just over 1 wk. If you still have question, post it here or consult your doc. Good luck. ...Read more

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How long does for Plan B stay in your system?

Briefly: Even though Plan B is out of your system relatively quickly, the hormonal changes that occur may take up to several months after the Plan B was taken to even out. ...Read more

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How long does Plan B last in your system?

Well: Even though Plan B is out of your system relatively quickly, the hormonal changes that occur may take up to several months after the Plan B was taken to even out. ...Read more

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How long will it take for b vitamins to start working and show effects?

How long will it take for b vitamins to start working and show effects?

B vitamins are among: The water-soluble group of vitamins; so the body needs adequate supply each day, especially if it is under physical/emotional stress. B vitamins work quickly (depending on what specific reason you're taking them). What effects are you expecting? ...Read more

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Will Plan B work no matter how many times you take it ?

Not Birth Control: Think of Plan B as a nuclear bomb going off in your body. It is not a healthy choice for repeated use. It is not birth control. It is not in any way the best way to live one's life. It is for emergencies. Adults learn from mistakes and work to correct their mistakes. Taking Plan B means one is not learning how to live healthy. ...Read more

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How long do you wait after taking the Plan B pill?

Wait for what?: You can have sex (protected). If you haven't had your period within a week after anticipated then notify your physician. ...Read more

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How long after Plan B can you take a pregnancy test?

How long after Plan B can you take a pregnancy test?

Unless you were to : Take an early pregnancy test, would usually wait until you had missed your period (often within 7 days of a missed period). ...Read more

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How long does Plan B one step stay in your system?

Briefly: Even though Plan B is out of your system relatively quickly, the hormonal changes that occur may take up to several months after the Plan B was taken to even out. ...Read more

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How long does gardasil take to work?

How long does gardasil take to work?

Gardasil: For the hpv vaccine to work best, it is very important for preteens to get all 3 doses (shots) long (over 6 months) before any sexual activity with another person begins. ...Read more

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How long is it supposed to it take for Plan B to work?

Plan B: Plan b is not an abortion pill. It begins to change hormones after ingested. The hormones in Plan B can prevent the ovary from releasing an egg, thickens cervical mucus which makes it harder for the sperm to reach the egg and thins the lining of the uterus to prevent implantation. ...Read more

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How long after taking Plan B can I take probiotics?

How long after taking Plan B can I take probiotics?

I was unable: to find any references which show that probiotics and Plan B interact. ...Read more

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How long does the Plan B pill work for?

One event: It is designed to be used within 72 hours after sex for one event. It is not a routine form of contraception. ...Read more

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How long is it supposed to it take for Plan B to work?

Plan B: Plan b is not an abortion pill. It begins to change hormones after ingested. The hormones in Plan B can prevent the ovary from releasing an egg, thickens cervical mucus which makes it harder for the sperm to reach the egg and thins the lining of the uterus to prevent implantation. ...Read more

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How long should I wait to work out after I take plan b?

No restrictions: There are no activity restrictions after taking the plan B pill. However, you should resume your normal method of birth control immediately. Your period should come at the normal time or up to one week later. If it is late, you should take a pregnancy test and talk with a healthcare provider. Good luck. ...Read more

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How does Plan B work, and how long does the medication stay in your body?

Preventing ovulation: The medication works by inhibitting ovulation. Thus, no egg, no pregnancy! the half-life of the medication varies greatly ranging from 11 to 45 hours and so it is difficult to say for sure. Based on this, it stays in the body for about 2.5 days to just over 1 wk. If you still have question, post it here or consult your doc. Good luck. ...Read more

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Had protected sex 4/3 Took a plan b 4/5 Did it work ? How long will be stay in my system? Thanks!

Had protected sex 4/3
Took a plan b 4/5

Did it work ? 

How long will be stay in my system?

Thanks!

Depends on ur weight: Plan B is usually effective up to 5 days after unprotected sex, but most effective within first 72hrs (~88% reduction in unintended pregnancy). However recent studies found that Plan B is less effective in women weighing >165lbs, and ineffective if >175lbs. It does not stay in system more than a few days. ...Read more

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Had sex yesterday, took plan b. Boyfriend came inside me today. Do I have to take another plan b? How long will it work? Thank you

Take another: The first Plan B will probably cover you but it doesn't hurt to take another. And please, get on a good continuous birth control method. You have many options. Your doctor or planned parenthood can help you with this. Getting pregnant when you don't want to has very serious consequences. ...Read more

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I had unprotected sex three days ago, and i took a plan b yesterday. I’m just worried it didn’t work, how long does the pree cum stay inside you for?

I had unprotected sex three days ago, and i took a plan b yesterday. I’m just worried it didn’t work, how long does the pree cum stay inside you for?

Sperm longevity: Spermatozoa in a favorable environment like the vagina can last up to 5 to 7 days, remain viable and still swim into the Fallopian tubes. ...Read more

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Will Plan B work no matter how many times you take it ?

Not Birth Control: Think of Plan B as a nuclear bomb going off in your body. It is not a healthy choice for repeated use. It is not birth control. It is not in any way the best way to live one's life. It is for emergencies. Adults learn from mistakes and work to correct their mistakes. Taking Plan B means one is not learning how to live healthy. ...Read more

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Will plan b work if I ovulated yesterday?

Common question: Very likely it will, but not guaranteed. Ongoing clinical research on this. Hurry up and take it though. Good wishes. ...Read more

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How long will plan B be on my system? What effects long term does it have? What do I do now that i drank it?

Plan B elimination: The progesterone in Plan B is 99% gone within 7 days. It may take up to 2 months for your period cycles to get back to normal. This may include bleeding at the wrong time or skipped periods. You'll want to take a home urine pregnancy test using the first urine of the morning 14 days after you took the Plan B. If that test is negative, you're not pregnant. ...Read more

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Will plan b work if im on antibiotics (Amoxicillin )?

Will plan b work if im on antibiotics (Amoxicillin )?

Yes: Antibiotics should not interfere with the efficacy of Plan B. ...Read more

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Will Plan B work while having unprotected sex?

Will Plan B work while having unprotected sex?

Plan P is designed : To be used in cases in which the primary form of protection has failed. It is not designed to be taken so that you can then enjoy "unprotected sex". ...Read more

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Im 3 weeks post pardom. The condom broke tonight. Will plan b work?

Im 3 weeks post pardom. The condom broke tonight. Will plan b work?

YES: however, you may expect some heavy bleeding and I would not suggest nursing this week if breastfeeding. ...Read more

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Had unprotected sex a week ago, (took plan B) and again within the week, will plan b work? is there an alternative?

Had unprotected sex a week ago, (took plan B) and again within the week, will plan b work? is there an alternative?

Maybe, Maybe Not: Plan B is not intended to be used multiple times during a menstrual cycle. You will likely have some irregular bleeding. You may want to perform a pregnancy test about 3-4 weeks after your last unprotected intercourse. Your best alternative is not to have unprotected sex and find a suitable means of contraception. ...Read more

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I had unprotected sex around the time of ovulation and took Plan B within an hour. Will Plan B work even if i'm ovulating or ovulated already?

I had unprotected sex around the time of ovulation and took Plan B within an hour. Will Plan B work even if i'm ovulating or ovulated already?

High risk : Having sex around the time of ovulation is a high-risk situation for pregnancy. If sex was within 72 hours and you do not desire pregnancy consider taking plan b. It's available over-the-counter and decreases the risk of an unplanned pregnancy. Also consider scheduling a visit to discuss your birth control options to prevent the situation in the future. ...Read more

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Will Plan B work if my girlfriend was ovulatIng and we had sex with a condom.

Will Plan B work if my girlfriend  was ovulatIng and we had sex with a condom.

Shouldn't need: Condoms are extremely effective in preventing pregnancy, and should have been adequate protection on own. If used planB at time of ovulation, as long as she had bleeding within next 2-3 days, then even less likely to be pregnant. ...Read more