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Doctor insights on: Pregnancy On Plan B And Birth Control

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Dr. Tanya Russo
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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Should I be worried about pregnancy even if I have been taking birth control and I took plan b?

Should I be worried about pregnancy even if I have been taking birth control and I took plan b?

It depends: It depends upon how consistently you are taking your birth control pills and how soon after sex you took Plan B. If you have been taking birth control pills daily at the same time without interruption you are 99% protected against pregnancy. Plan B is 95% effective against pregnancy if you take it within 24 hours of sex: 89% if taken within 72 hrs. Take Plan B only if missing birth control pills ...Read more

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Would using Plan B while on birth control ensure no pregnancy?

Would using Plan B while on birth control ensure no pregnancy?

You do not need Pl B: If you are on birth control pills you do not need to take plan b
birth control pills if taken correctly will prevent pregnancy. ...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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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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Will a home pregnancy test a week after taking Plan B be accurate? And should I keep taking birth control regularly after plan b?

Will a home pregnancy test a week after taking Plan B be accurate? And should I keep taking birth control regularly after plan b?

Not Pregnant: If you are on birth control and you take Plan B there is nearly no risk of pregnancy. Not sure why you feel you had to take plan b, but there may be more the story you shared. Pregnancy testing at one week is a waste of money. No test will be accurate that soon after a sexual encounter, regardless of what you read on line. Pregnancy testing is best done at least fourteen days after a sex. ...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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Could I be pregnant? I am on birth control and we used a condom. The condom came off and we used Plan B can I still be pregnant? I have also been showing early signs of pregnancy

Could I be pregnant? I am on birth control and we used a condom. The condom came off and we used Plan B can I still be pregnant? I have also been showing early signs of pregnancy

Plan B can also: Cause sx's that are similar to pregnancy. Plan B One-Step is up to 89 % effective when taken within 72 hours (3 days) after unprotected sex. It can reduce chance of pregnancy by up to 95% if used within 24 hours. It continues to reduce the risk of pregnancy up to 120 hours (5 days) after unprotected sex, but is less effective as time passes. Take pregnancy test if period is > 7 days late. ...Read more

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Had sex but condom broke. Not sure if came inside completely. I am on oral birth control and I took a plan B pill 20 mins after. Chance of pregnancy?

Had sex but condom broke. Not sure if came inside completely. I am on oral birth control and I took a plan B pill 20 mins after. Chance of pregnancy?

Your risks are small: If you really want to be "safer" and reduce your risks of pregnancy with a most effective, long term and forgettable method, you may ask a gynecologist trained in insertion of IUD's in a young woman like you to offer you one. Otherwise, consider a subdermal implant and be safe. ...Read more

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Took a Plan B pill 3 weeks ago and started birth control 2 weeks ago. When can I expect a period? It's already 2 days late. Got neg pregnancy test. Preg?

Took a Plan B pill 3 weeks ago and started birth control 2 weeks ago. When can I expect a period? It's already 2 days late. Got neg pregnancy test. Preg?

Unclear information: On a usual birth control pill treatment, you would get your period after four weeks of starting the pill cycle. To exclude pregnancy, you may wish to repeat the test in 4-5 days, use first morning urine and follow the instructions in the kit carefully. ...Read more

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After nearly 3 weeks of taking Seasonique birth control pill, will it effectively act as a conterceptive pill (ie. Plan b) to stop the pregnancy?

After nearly 3 weeks of taking Seasonique birth control pill, will it effectively act as a conterceptive pill (ie. Plan b) to stop the pregnancy?

Not the right use: Seasonique is a "birth control pill". It was never marketed to stop pregnancy neither is Plan B. Plan B is for "emergency contraception", which is still "prevention". If you think you are pregnant you can use a home pregnancy test but you should really see your family physician or gynecologist if you are not sure why your period is late. ...Read more

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I heard birth control can be used as emergency contraception, so if I missed 3 pills (not in a row), will it act as a "Plan B" and not allow pregnancy?

I heard birth control can be used as emergency contraception, so if I missed 3 pills (not in a row), will it act as a "Plan B" and not allow pregnancy?

Higher dose: The hormones in one birth control pill are not in high enough levels to be used a an emergency contraceptive (EC) Multiple pills must be taken to get an emergency contraceptive effect. Your doctor can advise you on the number of pills needed, depending on the specific birth control pill. Missing a birth control pill increases pregnancy risk, so EC would be needed for each sexual encounter. ...Read more

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Did I miss my period because I took Plan B a few weeks ago and started birth control last week? Took 2 pregnancy tests, both negative.

Probably: Yes, emergency contraception can disrupt you cycle. If your test is negative, you're not likely pregnant. Things should normalize over the next month. You might want to consider birth control, however. ...Read more

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Sex 10 days after abortion, on day 7 of birth control pill had sex before 7th pill with condom/plan b too 24 hours after, chances of pregnancy?

Sex 10 days after abortion, on day 7 of birth control pill had sex before 7th pill with condom/plan b too 24 hours after, chances of pregnancy?

? pregnant: WOW!!! - Given that scenario and not knowing your menstrual information - there is a possibility - birth control pills take a full month of taking them to be effective so thus if you just started and are on day 7 when you had sex - they won't protect you. The condom and Plan B are your best protection at this point. A urine pregnancy test will be useless due to the recent pregnancy. ...Read more

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I had unprotected sex about 3 weeks ago I am not on birth control but I took plan B the next day. It also happened the first day of my period. I have had flu like symptoms and still no period. I took 2 pregnancy tests and they both came out negative. Am I

I had unprotected sex about 3 weeks ago I am not on birth control but I took plan B the next day. It also happened the first day of my period. I have had flu like symptoms and still no period. I took 2 pregnancy tests and they both came out negative. Am I

Not likely: If you did the test correctly and it was negative at more than three weeks after sex, you are unlikely to be pregnant. Plan B can upset the normal rhythm of periods. You should repeat the test in 4-5days. 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 was told that some birth control are really the same as Plan B pills where they end a pregnacy and not prevent. A period really equals a miscarriage?

I was told that some birth control are really the same as Plan B pills where they end a pregnacy and not prevent. A period really equals a miscarriage?

Plan B is not: An abortion pill. Emergency Contraceptive Pills are not as effective as using oral contraceptives correctly every day. Often a period is a period and not a miscarriage. Some oral contraceptives can be used in higher doses as emergency contraceptives. ...Read more

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Is my gf at risk for pregnancy if planb pill was taken in 12 hours of spermicidalcondom breakage and she's been on birth control for 8 months?

Birth control: She's already on birth control so there's no need to take plan b. Birth-control already works to prevent pregnancy so there's no need to take another medication. It won't hurt anything but it won't help either. Using condoms is a great idea to prevent stds but birth control is already preventing pregnancy. ...Read more

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Can Plan B and birth control cause a missed period?

Can Plan B and birth control cause a missed period?

Possibly.: Emergency contraception symptoms can include spotting or bleeding, changes in menstrual flow or your period may be late or early. Notify your gyn if your period is 7 or > days late. ...Read more

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No semen leaked from condom. Used planb and birth control. Had a one day period. Is it from messing my hormones up from the Plan B and birth control?

No semen leaked from condom. Used planb and birth control. Had a one day period. Is it from messing my hormones up from the Plan B and birth control?

Probably: If you used a condom correctly (put it in right and used it the whole time) and used birth control and you took plan b, the chance if you being pregnant is about (.15)x (.15)x (.15)=0.003 or 0.3 %. Now I'm not saying it's impossible, but very very unlikely. Hope all is well. Find a doc to start a more reliable (less anxiety provoking) long acting birth control. Look up iuds and subdermal implant. ...Read more

Dr. Jeff Livingston
2,399 Doctors shared insights

Contraception (Definition)

Contraceptiion is a means of preventing conception (or fertilization). There are hormonal and non hormonal methods of preventing sperm and egg from meeting. Talk to your doctor or clinic about what options are best for you. There are short acting methods (condoms, pills, patch, ring) and long ...Read more


Dr. Mark Ingerman
4 Doctors shared insights

Birth Control (Definition)

Also known as contraception, birth control is a method to prevent pregnancy. Some methods of birth control include a vasectomy, tubal ligation, oral contraceptive pills, vaginal rings, hormone injections, condoms, diaphragms, sponges, ...Read more