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Doctor insights on: Can Plan B Pills Reduce Your Chances Of Getting Pregnant

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Dr. Mark Ingerman
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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I took the Plan B pill a day after unprotected sex . What are the chances of getting pregnant ?

I took the Plan B pill a day after unprotected sex . What are the chances of getting pregnant ?

How to get pregnant?: Your risks are low. But you failed to provide any information with your question. Were you ovulating? How long are your cycles? Why aren't you preventing pregnancy with either condoms or birth control? ...Read more

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How effective would the Plan B pill be if I took it an hour or so after having unprotected sex? How low are my chances of getting pregnant?

How effective would the Plan B pill be if I took it an hour or so after having unprotected sex? How low are my chances of getting pregnant?

Little chance: In such circumstances, there is little chance of pregnancy. However, one must do a urine pregnancy test 3 weeks later to verify there is no pregnancy. Period bleeding can be altered for this cycle and for the upcoming cycle, due to the Plan B. Be sure not to have sex again until a reliable method of birth control is being used. ...Read more

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Chances of getting pregnant after taking the plan b pill on the last day of your period? How accurate are pregnancy tests 3 weeks after taking plan b

Chances of getting pregnant after taking the plan b pill on the last day of your period?  How accurate are pregnancy tests 3 weeks after taking plan b

Pregnancy unlikely: Taking Plan B or other emergency contraception pills can alter the timing or the quality of the current menstrual cycle and the upcoming cycle. One should check a urine pregnancy test 3 weeks after taking Plan B, because emergency contraceptive pills work most of the time but not all of the time. Tests are very accurate 3 weeks after sex. ...Read more

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I took Plan B then got my period a day after my period i had sex and the condom ripped what are my chances of getting pregnant should I buy the pill ?

I took Plan B then got my period a day after my period i had sex and the condom ripped what are my chances of getting pregnant should I buy the pill ?

Probably ok: If the period came at the expected time, then its probably ok. I would check a pregnancy test and just see if this cycle is normal. To be extra cautious, you could use another plan b. ...Read more

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She recently had unprotected sex. She DOESN'T want to get pregnant. Any tips on avoiding getting pregnant? How to know? Did NOT take Plan B pill.

She recently had unprotected sex. She DOESN'T want to get pregnant. Any tips on avoiding getting pregnant? How to know? Did NOT take Plan B pill.

Sure, with willpower: It's great that a teen does not want to get pregnant. Because the whole point of sex (in nature) is to make babies, the way to not get pregnant is to not have sex. So, she must use her brain and willpower, to promise herself that she won't have sex again until... probably after the wedding. For yesterday's problem, she must tell her doctor how many days after sex it is, so her Dr. can advise her. ...Read more

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What is your chance of getting pregnant while taking birth control for a year then taking the Plan B pill?

What is your chance of getting pregnant while taking birth control for a year then taking the Plan B pill?

Not likely: If you are on the pill for a year every day faithfully, the Plan B is not necessary and a little risky due to the increased dose of the hormones. I don't think there is a role for Plan B if you are taking bcp regularly. One or the other, would be my advice. ...Read more

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3 months postpartum breastfeeding and just started nora Be this Sunday If i have sex what's the chance of getting pregnant? Can I take plan B pill if breastfeeding June in case?

3 months postpartum breastfeeding and just started nora Be this Sunday If i have sex what's the chance of getting pregnant? Can I take plan B pill if breastfeeding June in case?

Yes: Please consult this site for more information on this topic: http://ec.princeton.edu/questions/ecfeeding.html For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex. ...Read more

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Can I take plan b twice within a week? and what are my chances of getting pregnant from precum?

2 episodes 2 Rx's: If you had 2 separate unprotected exposures, then you can take it on each occasion. Chances of pregnancy without Plan B can occur with "pre-cum". ...Read more

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How high are your chances of getting pregnant from precum but you took Plan B 65 hours afterwards? And you were on cycle day 9 or 10 when sex occurred

How high are your chances of getting pregnant from precum but you took Plan B 65 hours afterwards? And you were on cycle day 9 or 10 when sex occurred

Almost zero: The chances of getting pregnant from sex on cycle days 9-10 (counting day 1 as the first day of period bleeding) are usually low if one has 28-30 day cycles. The chances of getting pregnant from precum is low, and the chances of Plan B not working at 65 hours is very low. Combining all 3 events, there is almost no chance of pregnancy from this one sexual event. Always keep some condoms nearby. ...Read more

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Me and my ex had sex and she took Plan B on the 5 th day almost what r her chances of getting pregnant ?

Me and my ex had sex and she took Plan B on the 5 th day almost what r her chances of getting pregnant ?

Plan B: Plan B is 89 percent effective when taken within 72 hours (three days) after unprotected sex. It can reduce chance of pregnancy by up to 95% if used within 24 hours. It continue to reduce the risk of pregnancy up to 120 hours (five days) after unprotected sex, but they are less effective as time passes. ...Read more

Dr. Gerard Honore
1,137 doctors shared insights

Getting Pregnant (Definition)

Conception is the act of the man's sperm attaching to and entering ("fertilizing") the woman's egg. This fusion leads to the ...Read more