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Doctor insights on: Will Plan B Work If I M Ovulating

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I had unprotected sex around the time of ovulation and took Plan B within an hour. Will Plan B work even if I'm ovulating or ovulated already?

I had unprotected sex around the time of ovulation and took Plan B within an hour. Will Plan B work even if I'm ovulating or ovulated already?

High risk: Having sex around the time of ovulation is a high-risk situation for pregnancy. If sex was within 72 hours and you do not desire pregnancy consider taking plan b. It's available over-the-counter and decreases the risk of an unplanned pregnancy. Also consider scheduling a visit to discuss your birth control options to prevent the situation in the future. ...Read more

Dr. Philip Chenette
1,835 Doctors shared insights

Ovulation (Definition)

Ovulation is the act of the ovary releasing the egg after it has been hormonally prepared, to be ...Read more


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I took plan B after sexual intercourse will it still work if I'm ovulating? If so will my period be late?

I took plan B after sexual intercourse will it still work if I'm ovulating? If so will my period be late?

Yes: It should work. Plan B has the same degree of effectiveness at any time during the cycle. It is about 95% effective if taken within 24 hours of unprotected sex. ...Read more

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Will plan b work if I ovulated yesterday?

Will plan b work if I ovulated yesterday?

Common question: Very likely it will, but not guaranteed. Ongoing clinical research on this. Hurry up and take it though. Good wishes. ...Read more

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Will Plan B work if I had sex on the day I ovulated but took the pill like 4 hrs later??

Yes: Plan B is also called the morning after pill. It is more effective the sooner you take it, but it is effective for 72 hours or more after the intercourse. ...Read more

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Will Plan B work if my girlfriend was ovulatIng and we had sex with a condom.

Will Plan B work if my girlfriend was ovulatIng and we had sex with a condom.

Shouldn't need: Condoms are extremely effective in preventing pregnancy, and should have been adequate protection on own. If used planB at time of ovulation, as long as she had bleeding within next 2-3 days, then even less likely to be pregnant. ...Read more

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Will Plan B work if taken after ovulation and then again 1 day b4 period should've started? But yet still have no period arrive. Currently 4 days late

Will Plan B work if taken after ovulation and then again 1 day b4 period should've started? But yet still have no period arrive. Currently 4 days late

No: Plan B is meant to be used within 72 hrs of intercourse, best within 24. Using it as you are asking will result in a unpredictable change in your normal cycle. Please speak to your GYN. ...Read more

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Will plan b work if I took it week before my ovulation is due, condom broke last day of period. Will ovulation not happen?

Will plan b work if I took it week before my ovulation is due, condom broke last day of period. Will ovulation not happen?

Timing: This pill is extremely effective, but it's all about timing. It's important to take Plan B as soon as possible after unprotected sex — if you take it within 72 hours (3 days), it's been shown to reduce pregnancy by up to 89 percent, but if you take it within the first 24 hours, that number goes up to 95 percent.
plan b will not stop your ovulation
Talk to your doctor about possible BC options ...Read more

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Does plan b work if you have already ovulated?

Does plan b work if you have already ovulated?

Plan B can be used: At any time during a woman's menstrual cycle. 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. ...Read more

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Does Plan B work if taken the day ovulation starts?

Does Plan B work if taken the day ovulation starts?

Yes: It works if you take it within 72 hrs of unprotected sex irrespective of the cycle date. ...Read more

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Does Plan B work if you are ovulating he used a condom but it broke and he pulled out?

Yes: Plan B can work in one of three ways depending on where you are in your cycle. It can prevent or delay ovulation, can interfere with the fertilization of the egg or may prevent implantation by altering the lining of the uterus. If you take Plan B One-Step within 24 hours, it is about 95% effective. ...Read more

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Is it normal to have white discharge after taking plan b? Does this mean it didn't work? Also does plan b work if you were ovulating when you took it?

Is it normal to have white discharge after taking plan b? Does this mean it didn't work? Also does plan b work if you were ovulating when you took it?

Plan B: Plan B works by delaying or inhibiting ovulation. It decreases the risk of pregnancy by about 70%. If you are having vaginal discharge then this should be evaluated independently and one should not assume it is caused by Plan B. Consider seeing your obgyn for evaluation and testing ...Read more

Dr. James Lin Dr. Lin
1 doctor agreed:
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Does Plan B work if taken on ovulation day? I had unprotected sex (not ejaculated inside of me) the day before ovulation began and took plan b.

Dr. James Lin Dr. Lin
1 doctor agreed:
Does Plan B work if taken on ovulation day? I had unprotected sex (not ejaculated inside of me) the day before ovulation began and took plan b.

Here are some. ..: Nowadays, how to handle the uncertainty of pregnancy has changed through the readily available HPT, which has taken away the anxious second guess with clinical suspicion of morning sickness. So, do HPT soon after missing the regularly expected period and repeat it in 1 wk if the 1st test is (-) & still in doubt. Besides, note: no known contraceptive measures have ever offered 100% success. ...Read more

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Will plan b work me and my girlfriend had unprotected sex and I think a drop got in it happen on a Friday and she took the pill Sunday and was also ovulating?

Will plan b work me and my girlfriend had unprotected sex and I think a drop got in it happen on a Friday and she took the pill Sunday and was also ovulating?

Late: Plan B may work but at best it is only 95% effective and that is if it is taken within the first 24 hr. After unprotected sex. The effectiveness falls the longer after sex it is taken. After the fact, taking it as soon as possible is the only option. Now, however, is the time for her to start a more reliable method of contraception if she isn't pregnant and use condoms to decrease the risk of STDs ...Read more

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Does plan b work if I had unprotected sex during ovulation? I took it in the 48 hour period after

Does plan b work if I had unprotected sex during ovulation? I took it in the 48 hour period after

Plan B: Anyone having intercourse without birth control or condoms may get pregnant. If intercourse was within 72 hours you consider taking plan b. Ella (ulipristal acetate) is another brand that can be used up to 5 days after unprotected intercourse. Plan b is a high dose of birth control to disrupt the hormonal patterns to delay or prevent ovulation. Abnormal bleeding after is common. Check preg test in 10 days. ...Read more

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Will Plan B work during ovulation? Ejaculated inside without condom and took plan b 6 hours after.

Will Plan B work during ovulation? Ejaculated inside without condom and took plan b 6 hours after.

Effective: Plan B consists of hormones, which, given early after unprotected intercourse, "mess" with the mechanisms that are needed for successful conception and/or implantation of a fertilized egg. Under ideal circumstances, conception rate is only about 25 % to begin with. The only way to be sure that Plan B was effective is to do a urine pregnancy test the earliest a week after the unprotected IC. ...Read more

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Will Plan B One Step work if taken one hour after sex and if I'm ovulating?

Yes: Plan B is most effective if taken within 72 hours of unprotected intercourse ...Read more

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Does Plan B work a day before ovulation, day of ovulation, or after ovulation? I'm not sure what day I ovulated!

Ovulation: You take Plan B when you have unprotected exposure to semen on a day you are ovulating.

Ovulation is a process and an event. The preparation of the egg is ovulation and then the event is the pushing of the egg out of the ovary. It is thought that semen can impregnate an egg for the five days prior to the event of ovulation. So, sex on five days prior to ovulation could be reason to do plan b. ...Read more

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If ovulating, will Plan B still work?

If ovulating, will Plan B still work?

Yes: Plan b will still work even if it is taken at the time of ovulation. Remember Plan B is most effective the sooner it is taken to the time of sex. Effectiveness goes down after 72 hours. ...Read more

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Do Plan B still works when u ovulating?

Yes: Plan B, emergency contraception to be taken within 72 hours of sex, works when you are ovulating, which is the whole idea. ...Read more

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How does plan b work when you're ovulating?  

PLAN B: Hello~ its a higher dose of estrogen and this makes the lining of the uterus (endometrium) to get thicker than it would w'out it and that causes it to run out of blood supply to sustain it and it sloughs off (ie;menstruation) and bonus is that if you had an available egg and an available sperm and conception occurred, the fertilzed egg cannot implant, it is then lost in the menstrual effluent ...Read more

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Why Plan B doesn't work during ovulation days?

Why Plan B doesn't work during ovulation days?

It is effective: During that time. It can be taken at any time during a woman's cycle. 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. ...Read more

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Took Plan B after/during ovulation. Will it work?

Took Plan B after/during ovulation. Will it work?

Agree w Dr Van Dis: 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. It can be taken at any time during the menstrual cycle. ...Read more

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Will Plan B One step work after/during ovulation?

Yes: Yes, Plan B reduces the chance of pregnancy by a factor of 10 when taken within 72 hours of an unprotected encounter, even during or after ovulation. It does not work by inhibiting ovulation; it inhibits implantation which is a separate process that must occur before a pregnancy is established. ...Read more

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Does the plan b really work's knowing that yu know the guy ejected in you but you took the plan b within that hour. Ovulating or not

Plan B: Plan B One-Step can reduce your risk of pregnancy by up to 95% if used within 24 hours of sex. If taken within 72 hours it can reduce risk of pregnancy by up to 89%.. ...Read more

Plan B (Definition)

Levonorgestrel is a women's ...Read more