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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. Lonnie 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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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

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


Dr. Peter Baumann
876 doctors shared insights

Levonorgestrel (Definition)

Levonorgestrel is a progestin commonly used in oral contraceptives and the Mirena (levonorgestrel) iud. It has ...Read more