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Doctor insights on: Morning After Pill On Ovulation

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How good is the morning after pill during ovulation?

How good is the morning after pill during ovulation?

Up to 95%: If a woman takes the morning after pill within 24 hours of intercourse it is up to 95% effective. If she takes it within 72 hours of intercourse it is up to 89% effective. The sooner after intercourse the pill is taken the more effective it is, even during ovulation time. However being on bcp or Implanon or iud is even more effective, so it's helpful to consider a from of birth control. ...Read more

Dr. Heidi Fowler
641 Doctors shared insights

Emergency Contraception (Definition)

Emergency contraception is the method a woman can use to avoid getting pregnant, after she has received sperm in her vagina. She takes the hormone pills, which are usually larger doses of hormones used in oral birth control pills, within a short time (days) after her sexual activity, ...Read more


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How long would levonelle (the morning after pill) delay ovulation?

How long would levonelle (the morning after pill) delay ovulation?

It depends!: The effectiveness of the morning after pill is related to a delay in ovulation produced by the burst of Progesterone that you get from this medication. I would say, in general, that I would not expect it to delay your cycle for more than 1-2 weeks. How long it delays ovulation is similar, but likely depends on whether you took it before, or after you ovulated. Remember to take a pregnancy test! ...Read more

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Can morning after pill delay ovulation for about a month if taken twice in three months?

Can morning after pill delay ovulation for about a month if taken twice in three months?

Yes: The morning after pill is a hormone pill and it can mess up your ovulation. What you are describing is not unusual. If you needed to use this that frequently, it is time to consider an effective method of birth control such as pills or an iud. ...Read more

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How many days does the morning after pill delay ovulation? If you're supposed to ovulate 4/7 When is the new ovulation date?

How many days does the morning after pill delay ovulation? If you're supposed to ovulate 4/7 When is the new ovulation date?

Unknown/unknown: Depending on the timing and type of pill, this may or may not prevent ovulation.If it does the reset period is unknown. It does change the character of uterine mucous and make the environment less suitable for implantation. Conception could occur but shed because it would not implant. ...Read more

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Does the morning after pill change your ovulation date if you take it before?

Does the morning after pill change your ovulation date if you take it before?

Morning after pill: The morning after pill contains hormones, and in fact could change your cycle even if you haven't taken it before. ...Read more

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Does Aftera morning after pill works during ovulation?

Does Aftera morning after pill works during ovulation?

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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We had sex during my ovulation. Can I still get pregnant after taking the morning after pill if I ovulated?

We had sex during my ovulation. Can I still get pregnant after taking the morning after pill if I ovulated?

You can take: Emergency contraception at any time during your menstrual cycle. Plan b one-step can reduce your risk of pregnancy by up to 95% if used within 24 hours of sex.
According to planned parenthood when Plan B is taken 48 to 72 hours after intercourse the efficacy is 61%. ...Read more

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I took the next choice one morning after pill day of ovulation may be present, and im now havin brown discharge 2weeks later, sharp cramps no period?

I took the next choice one morning after pill day of ovulation may be present, and im now havin brown discharge 2weeks later, sharp cramps no period?

Typical: Emergency contraception essentially disrupts the normal menstrual cycle by blocking or delaying ovulation. That it is how it works and why it is so different than a medical abortion. Irregular bleeding after taking this is not rare. Always check a pregnancy test after using emergency contraception and see a doctor to start a better form of birth control. ...Read more

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How effective is "the morning after pill? " I could be ovulating too.

How effective is "the morning after pill? " I could be ovulating too.

95%: As above, if taken within 72 hours of unprotected intercourse, sooner the better ...Read more

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Is it true if I took the morning after pill around when im ovulating or just after it won't work?

Is it true if I took the morning after pill around when im ovulating or just after it won't work?

No: Not for sure because you never know if you have ovulated or not. If you have already ovulated then it might not work but if you have not ovulated then there is a good chance it will. For the future try to use birth control prior as it sure is most reliable! ...Read more

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My husband claimed that the morning after pill would simply prevent ovulation - is this true?

My husband claimed that the morning after pill would simply prevent ovulation - is this true?

No - implantation: The morning after pill prevents implantation by changing the hormone levels in the blood and thus in the uterine lining. The uterine lining (endometrium) must be ideal for the embryo to implant. Hormone pills (morning after and bcp) change the hormone levels that make the lining hostile to implantation. Hope this helps, best wishes. ...Read more

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If I take the morning after pill on the night before ovulation will it work.

If I take the morning after pill on the night before ovulation will it work.

Maybe: It is unclear from your question whether you are taking it before or after intercourse. It is not meant for routine contraceptive use which is why it is called emergency contraception. It is meant for use after an unexpected failure of contraception and is 95% effective if taken within 24 hr. After intercourse even at mid-cycle. This is less than the effectiveness of other contraceptives. Be safe! ...Read more

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I had unprotected sex on the highest fertility day before ovulation and I took the morning after pill on the day of ovulation can I still get pregnant?

I had unprotected sex on the highest fertility day before ovulation and I took the morning after pill on the day of ovulation can I still get pregnant?

Take a test: 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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I think I have ovulated will the morning after pill work?

I think I have ovulated will the morning after pill work?

Yes, it can be used: At any time during your menstrual cycle. Plan b one-step can reduce your risk of pregnancy by up to 95% if used within 24 hours of sex.
According to planned parenthood when Plan B is taken 48 to 72 hours after intercourse the efficacy is 61%. ...Read more

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How effective is the morning after pill doesn't work if you're ovulating?

Emergency: Contraception can be used at any time during the menstrual cycle. Plan b one-step can reduce your risk of pregnancy by up to 95% if used within 24 hours of sex.
According to planned parenthood when Plan B is taken 48 to 72 hours after intercourse the efficacy is 61%. ...Read more

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Will the morning after pill be effective after taking it 55 hours later, and is almost certain that they are ovulating?

Should be: The morning after pill is effective up to 72 hours after intercourse. It prevents implantation of a potentially fertilized egg into the uterine wall. The sooner after intercourse the higher the chances of preventing pregnancy. ...Read more

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Why can the morning after pill make your next 2 cycles shorter, like 10-15 days (normally they 27)? Does it mean you didn't have ovulation?

Abnormal bleeding: Emergency contraception is used after unprotected intercourse to decrease the risk of pregnancy by about 70%. It is a high dose of birth control to disrupt the hormonal patterns to delay or prevent ovulation. Abnormal bleeding or an abnormal cycle after use is common. Check preg test in 10 days. ...Read more

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I took the morning after pill 36 hours after intercouse, and during my first day of ovulation. Could the pill have been taken too late?

I took the morning after pill 36 hours after intercouse, and during my first day of ovulation. Could the pill have been taken too late?

Unlikely: If you took the morning after pill within 72 hours of intercourse, it is quite effective in preventing pregnancy. You are well within that time frame. ...Read more

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I took the morning after pill 24hrs ago. Just wondering how long it will mess with my cycles for and how soon after taking it will I resume ovulation?

Difficult to say: It won't necessarily do anything to your cycle, but many women do find their next period to be a bit off after using Plan B. That can mean unusually light, perhaps a little early, perhaps a little late, maybe spotting for a day then it stops then comes back after a day. Everyone is different, but you should assume yourself to be as fertile as always going forward. Usually the 2nd period is normal ...Read more

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I was ovulating and had unprotected sex, will the morning after pill still work?

I was ovulating and had unprotected sex, will the morning after pill still work?

Yes. It can be used: At any time during the menstrual cycle. Plan b one-step can reduce your risk of pregnancy by up to 95% if used within 24 hours of sex.
According to planned parenthood when Plan B is taken 48 to 72 hours after intercourse the efficacy is 61%. ...Read more

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Had sex 30 hours ago, ovulating today. Took morning after pill now. Effectiveness??

Had sex 30 hours ago, ovulating today. Took morning after pill now. Effectiveness??

"Up to 89%": Information about the effectiveness of the Morning-After Pill or Plan B One-Step is that the progestin/levonogestrel pills are up to 89% effective when taken within 72 hours of unprotected sex, even at time of ovulation. Some effectiveness remains up to 120 hours after. Please pursue more reliable methods of regular contraception; Morning-after pill should rarely be taken. Good wishes! ...Read more

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I had unprotected sex during ovulation will the morning after pill work? He pulled out

Yes: As long as you take the morning after pill within 72 hours of intercourse it will be effective preventing pregnancy ...Read more

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I had unprotected sex during ovulation will the morning after pill work? He pulled out, but im still not sure if nothing got in.

I had unprotected sex during ovulation will the morning after pill work? He pulled out, but im still not sure if nothing got in.

Yes: A morning-after pill taken the day after sex is very effective in preventing pregnancy. It is about 95% effective, which translates to: if 100 women take the pill the day after sex, about 5 women get pregnant, and 95 will not get pregnant from that sex. The morning-after pill works less well on days 3, 4, or 5 after sex. One can do a urine pregnancy test 3 weeks after sex to verify non-pregnancy. ...Read more

Dr. Adam Levy
634 Doctors shared insights

Morning After Pill (Definition)

Emergency contraception is a method to prevent pregnancy in women who have had unprotected sex, or for whom a barrier method has failed (slipped condom, diaphragm, or cervical cap, or broken condom). Emergency contraception medicine is not the same ...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