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Doctor insights on: How Long Does Plan B Protect From Pregnancy

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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

Dr. Sheila Smith
4 Doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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How long should I wait to take a pregnancy test after taking plan b?

How long should I wait to take a pregnancy test after taking plan b?

If you miss a period: If you are 4-5 days past the expected day of your period do home test using first morning urine. ...Read more

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How long am I suppose to wait to take pregnancy test after taking plan b?

How long am I suppose to wait to take pregnancy test after taking plan b?

Plan B: If your period is late (especially if 7 or more days late). Potential side effects with emergency contraception can include: tender breasts; changes in menstrual flow (spotting, bleeding, early or late period); loose stools; dizziness; headache; nausea/ vomiting; abdominal discomfort or feeling tired. If you develop chest tightness, difficulty breathing, swelling of lips, mouth, throat – call 911. ...Read more

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How long do I need to wait for a pregnancy test after took the Plan B pill?

See below: You would take a pregnancy test around 28 days after the first day of your last period (assuming you typically have 28 day cycles). ...Read more

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What are the chances of pregnancy with protected sex 9 days before ovulation and Plan B within 12 hours?

What are the chances of pregnancy with protected sex 9 days before ovulation and Plan B within 12 hours?

No magic number: Since you appeared to cover yourselves with 2 methods, the chances are very small but not 100%. ...Read more

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Protected sex on the 4th ovulation on the 13th, Plan B within 12 hours. What pregnancy symptoms could I have on the 14th?

None: Way too early for symptoms. One develops pregnancy symptoms due to the rising hormones. If you were pregnant it would take 10-14 days for your hormones to rise enough to be detectable. Just take a pregnancy test then. Plan b cuts the risk by about 70% and you used it correctly. ...Read more

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How long after Plan B and spotting should I take a pregnancy test?

How long after Plan B and spotting should I take a pregnancy test?

ONLY IF MISSED PERIO: Plan b if taken as directed within 72 hours prevents pregnancy, and if you did not have unprotected sex after that. You only need to do pregnancy test if you miss your period, due to failure of planb. ...Read more

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What's the chances of pregnancy where the penetration was not for long, but unprotected. There was no ejaculation and Plan B was taken within 2 hours?

Unlikely: If there was no sperm introduced into your vagina it is unlikely you would get pregnant. There is a "pre-ejaculate" that can occur, and if there is any sperm in that, there is a remote chance of impregnation, if indeed you had ovulated or were around your ovulation time in your cycle. With that remote chance, and the fact that you then used plan b, it is very unlikely you would get pregnant. ...Read more

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Will Plan B protect me from pregnancy if I have sex after taking it?

Should not plan that: Plan B is designed to be used after unprotected intercourse to decrease the risk of pregnancy. It is not to be used as a primary birth control method. Since you are planning this out ahead of time it would be better to use a condom and avoid putting yourself in this situation ...Read more

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Protected sex with a condom, no tears, and no ejaculation. What are my chances of pregnancy? Should I take plan b?

Up to you: But chances of pregnancy are very, very low. Plan b has can have generally milld side effects - and in my estimation, your risk from those potential side effects outweighs the risks of possible pregnancy. In the end, it's your choice, but please don't start using Plan B after each intercourse for the rest of your life. ...Read more

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I had unprotected sex yesterday and I took plan b today in the morning how long should I wait to take a pregnancy test just to make sure I'm not?

I had unprotected sex yesterday and I took plan b today in the morning how long should I wait to take a pregnancy test just to make sure I'm not?

No need: You did right think to take Plan B within right time frame (72 hours).In this instance you will get period most likely earlier. If you like to do pregnancy test wait about week. Think about better Plan " A" long term contraception AND condom use. Also prevention of STD!! Get checked by doctor regularly. ...Read more

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Is Plan B still effective if sex took place 2 days post ovulation? How long after can I still take it? How long after ovulation is pregnancy possible?

Is Plan B still effective if sex took place 2 days post ovulation? How long after can I still take it? How long after ovulation is pregnancy possible?

24 Hours: According to american pregnancy association an unfertilized egg only remains viable for only 24 hours after ovulation.So sex couple of days after ovulation is less likely to result in pregnancy and if you take Plan B it has a better chance of preventing pregnancy. ...Read more

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Can your mind create pregnancy symptoms? I had protected sex and Plan B and pulled out. There's a slight chance but have milky discharge and neg tests

Can your mind create pregnancy symptoms? I had protected sex and Plan B and pulled out. There's a slight chance but have milky discharge and neg tests

Yes: Anxiety can cause all the symptoms. Wait until expected period, do pregnancy test if late. If I may suggest--talk to a provider about more reliable birth control options and save yourself the anxiety (dr. Rechner in your area is excellent.). ...Read more

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Do I need to take plan b if I had Sex 5 days before my next depo shot? Am I still protected from pregnancy on my last days of depo shot.?

Do I need to take plan b if I had Sex 5 days before my next depo shot? Am I still protected from pregnancy on my last days of depo shot.?

Only if shot timely: If the successive Depo shot given was more than 90 to 105 days past the previous shot then there is no protection and Plan B would be needed. ...Read more

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What's the chance of pregnancy with protected sex, pull out before ejaculate, and Plan B within 12 hours. It was 6 days after period started?

What's the chance of pregnancy with protected sex, pull out before ejaculate, and Plan B within 12 hours. It was 6 days after period started?

Take the test: If you want to know if you are pregnant, take a test. In today's world you do not need to wonder if you are pregnant or not based on symptoms. Pregnancy tests are available at any pharmacy and in minutes you will have your answer. They can detect a pregnancy 7-10 days after conception. The best time to take one is when you miss your period. ...Read more

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Unprotected sex w/o ejacuation on nov. 24/ Plan B on 27th/ light week long period dec. 10-17/ two neg pregnant tests at end of dec./ chance of pregnancy?

Unprotected sex w/o ejacuation on nov. 24/ Plan B on 27th/ light week long period dec. 10-17/ two neg pregnant tests at end of dec./ chance of pregnancy?

You are not Pregnant: I am unsure of why you brought this to us. You had a regular and healthy period. This is the physical evidence that you are not pregnant. And, on top of that you have two negative pregnancy tests. This is the chemical proof you are not pregnant. I don't think it can get any clearer than that. ...Read more

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I had un protected sex on may 7th I took plan b within 3 hrs. My period was due the 13 of june I am almost 2 weeks late so I took a pregnancy test the 20th of june can I trust the results?

I had un protected sex on may 7th I took plan b within 3 hrs. My period was due the 13 of june I am almost 2 weeks late so I took a pregnancy test the 20th of june can I trust the results?

Test results trust: If you did the pregnancy test in accordance with the instructions then yes you can trust the results. A 2nd pregnancy test can re- confirm the findings of the first when done at least 3 days later. ...Read more

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How long after sex should I take a pregnancy test? Will birth control or Plan B mess up the results?

How long after sex should I take a pregnancy test? Will birth control or Plan B mess up the results?

Take a test: Anyone having intercourse without birth control or condoms may get pregnant. Home pregnancy tests are very accurate. They are the same tests used in a doctors office. They can detect a pregnancy 7-10 days after conception. The best time to take one is when you miss your period. Plan B and birth control does not interfere with a pregnancy test results ...Read more

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I took plan b 1 day ago my period was and is due any day now I had sex on Saturday how long should I wait til I take a pregnancy test?

I took plan b 1 day ago my period was and is due any day now I had sex on Saturday how long should I wait til I take a pregnancy test?

Plan B: Take a pregnancy test 14 days after the sex day using the first urine of the morning. If that is negative, you're not pregnant. The period cycle may be off for up to 2 months after taking. ...Read more

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Had protected sex 3 weeks ago, on birth control, have had 2 periods since, took Plan B after in case. Having symptoms of pregnancy. Pregnant or stress?

Had protected sex 3 weeks ago, on birth control, have had 2 periods since, took Plan B after in case. Having symptoms of pregnancy. Pregnant or stress?

Take a test: If you think you might be pregnant check then check a home pregnancy test. They are cheap, reliable and available at any pharmacy. Seems very unlikely since you used condoms and birth control. It is not necessary to use Plan B when you are on birth control. ...Read more

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Gf took plan-b pill immediately after sex 5 days ago. Still feels fatigued/exhausted. How long side effects normally last? Or is it sign of pregnancy?

Gf took plan-b pill immediately after sex 5 days ago. Still feels fatigued/exhausted. How long side effects normally last? Or is it sign of pregnancy?

Plan B will: Mess with your hormone levels like nothing else will. If you continue to feel the fatigue beyond 1 month, you should check the pregnancy test and repeat in 1 week if negative. Otherwise the effects of plan B should persist over 1-2 weeks while your body resets itself. ...Read more

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Gurgling in stomach, and blood in urine. Had protected sex last week. Condom, pulled out&plan b. Is this symptoms of pregnancy? Now what? Please help

Gurgling in stomach, and blood in urine. Had protected sex last week. Condom, pulled out&plan b. Is this symptoms of pregnancy? Now what? Please help

Hematuria: Blood in the urine is abnormal. Do you think the blood came from the vagina? Hematuria can be due to infection, inflammation, stones or growths in the urinary tract. Discuss this symptom with your physician who will order the appropriate tests. ...Read more

Plan B (Definition)

Levonorgestrel is a women's ...Read more