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Doctor insights on: How Long Should I Wait After Taking Plan B To Take A Pregnancy Test

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Is 4 days after unprotected sex too soon to take a pregnancy test? I also have taken Plan B will that impact the result?

Is 4 days after unprotected sex too soon to take a pregnancy test? I also have taken Plan B will that impact the result?

Yes & yes but no: 4 days after unprotected sex is too soon to take a home pregnancy test. Yes, if you take Plan B it will markedly reduce your chance of getting pregnant from that episode of sex. But no, the Plan B will not cause the test to give a false positive or a false negative. ...Read more

Dr. Janice Alexander
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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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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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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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 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 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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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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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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How many days after taking Plan B could you take a pregnancy test?

How many days after taking Plan B could you take a pregnancy test?

If you don't get: Period by anticipated date - you can take hpt. Some women wait until a week out. Potential side effects w emergency contraception include menstrual flow changes (spotting, bleeding, early or late period). ...Read more

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Can I take a pregnancy test after 19 days after sex? Can I take still take a pregnancy test a day after taking plan b?

Can I take a pregnancy test after 19 days after sex? Can I take still take a pregnancy test a day after taking plan b?

Yes: Yes, there is nothing in plan B that would interfere with the accuracy of a pregnancy test. You can take a pregnancy test now for reassurance. The most reassuring sign that you are not pregnant, however, is getting your next full flow menses. ...Read more

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When should you take a pregnancy test after taking plan b? Also, when should you expect to bleed prior to taking plan b?

Home pregnancy test: No need to take home pregnancy test assuming that you used/took Plan B emergency contraception within 72hrs of unprotected sex. Check out http://www. Planbonestep. Com/ for more info re Plan B. Then see your Family Doc or GYN to discuss your birth control options goo. Gl/toaWQ3. Consider testing for sexually transmitted diseases since not all infections cause symptoms. Next time, make him wear condom ...Read more

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After taking Plan B Sunday, I began taking my birth control again Wednesday. When should I expect bleeding? And when should I take a pregnancy test?

After taking Plan B Sunday, I began taking my birth control again Wednesday. When should I expect bleeding? And when should I take a pregnancy test?

See below: Onset of bleeding depends on your birth control pill cycle. You may take a pregnancy test about a month after the episode of sex in question. Use first morning urine and follow the instructions for the test carefully.
If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD.
Practice safe sex.
Get HPV vaccine. ...Read more

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If I take pregnancy test few days after taking plan b, will it mess up the result?

If I take pregnancy test few days after taking plan b, will it mess up the result?

No: The pregnancy test can detect a pregnancy at just under two weeks post conception. ...Read more

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How to take pregnancy test for my gf to ensure that she isn't pregnant after taking plan B?

How to take pregnancy test for my gf to ensure that she isn't pregnant after taking plan B?

If period is missed: Conception, as defined by the generation of a fertilized ovum, occurs within day or so of the sex. However, it takes about two weeks for the embryo to make enough HCG to produce a positive pregnancy test. Blood test may be done a day after a missed period. Home pregnancy tests should be done 4-5 days after the missed period. Use first morning urine and follow instructions for the test carefully. ...Read more

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I took plan b. How soon can you take a pregnancy test?

I took plan b. How soon can you take a pregnancy test?

Wait 2 weeks.: If conception has occurred, a home test will usually turn positive two weeks after. ...Read more

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Is taking Plan B twice in 2-3 months make it any less effecting? What is the earliest I can take a pregnancy test? I had sex a week ago march 27 2014

See below: The earliest time to take a pregnancy test would be about two weeks after sex. If the result is negative you should repeat the test in 4-5 days. Repeat use of Plan B is not likely to reduce its effectiveness; however if you do not wish to be pregnant use contraception consistently and talk to your doctor about regular birth control pills. ...Read more

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Took plan b on 4/20 for the 3rd time and period hasn't came yet Should I take a pregnancy test to be sure? What my possibilities of being preg

Depends: How soon after sex did you take plan B. Effectiveness goes down with increasing time. It is prudent to take a pregnancy test, if you are more than three weeks past the episode of sex. If the result is negative, re do the test in 4-5 days, if you do not get a period by then. Use first morning urine and follow the instructions for the test carefully.
If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD.
Practice safe sex.
Get HPV vaccine. ...Read more

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I had unprotected sex on Sunday night around 8 or 9, I'm just now taking plan b (five days later). Is it too early to take a pregnancy test?

I had unprotected sex on Sunday night around 8 or 9, I'm just now taking plan b (five days later). Is it too early to take a pregnancy test?

Yes: For the best chance of the test being accurate, you should wait until you are late for your period. Some tests claim they can tell if you are pregnant up to 5 days before you are supposed to get your period, but in my experience I have many patients get both false positives and false negatives from these. ...Read more

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Is 4 days after unprotected sex too soon to take a pregnancy test? I also have taken Plan B will that impact the result?

Yes & yes but no: 4 days after unprotected sex is too soon to take a home pregnancy test. Yes, if you take Plan B it will markedly reduce your chance of getting pregnant from that episode of sex. But no, the Plan B will not cause the test to give a false positive or a false negative. ...Read more

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I took Plan B 2x in a cycle, the 1st around 5 days into my cycle and the 2nd a week later. Period is 3 days late. When can I take a pregnancy test?

Any day after missed: Period, and reliable if result is positive; however, if the result is negative, it is more reliable if done 7 days after the expected missed period, and also if done on a first morning urine or somewhat concentrated urine specimen ...Read more

Dr. Stephen Sudler
482 Doctors shared insights

Pregnancy Test (Definition)

A pregnancy test measures a hormone called human chorionic gonadotropin (HCG). HCG is a hormone produced during pregnancy. It appears in the blood and urine of pregnant women as early as ...Read more


Plan B (Definition)

Levonorgestrel is a women's ...Read more