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Doctor insights on: Took Plan B After Ovulation

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Gf already has abnormal menstrual cycle times. Took Plan B after ovulation. Can we expect a time for the period to come?

Gf already has abnormal menstrual cycle times. Took Plan B after ovulation. Can we expect a time for the period to come?

Not really: Using Plan B tends to cause irregular periods, often causing the period to come earlier. If the period is late check a pregnancy test, since occasionally Plan B fails. ...Read more

Dr. Philip Chenette
1,829 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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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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I had unprotected sex 1 day b4 ovulation and took the Plan B the day after ovulation. How likely am I to get pregnant since I ovulated b4 I took it?

I had unprotected sex 1 day b4 ovulation and took the Plan B the day after ovulation. How likely am I to get pregnant since I ovulated b4 I took it?

Plan B: If you take it within 72 hours of unprotected sex it is about 89% effective in preventing pregnancy. If you take it within 24 hours it is about 95% effective-It should not be used as your birth control method--you should get on regular birth control medications Plan B one step is not the same as RU-486 which is an abortion pill if the egg is fertilized and implanted in the utreus it won't work ...Read more

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If I took Plan B 2-3 days after ovulation is it more likely for my period to be on time or late? If late by how many days?

If I took Plan B 2-3 days after ovulation is it more likely for my period to be on time or late? If late by how many days?

Late: Taking planb will delay your cycle. My best guess is 3-5 days, but up to a week. Make sure that you check a pregnancy test about 2 weeks after unprotected intercourse. ...Read more

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Sex on april 11th. Took Plan B hour after sex. Ovulated 13th. Period was due may 3rd. Drip of blood8th of may. Firstresponse neg on dayafter due.preg?

Doubtful: Plan B if taken as directed should prevent pregnancy; however, nothing is fullproof. If you are old enought o have sexual intercourse, then you are old enough to get on BC pills and ALWAYS USE CONDOMS! ...Read more

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Okay so I had unprotected sex Feb.24, Took Plan B 26hrs After Incident, Ovulated Feb.26, Had Unprotected Sex Feb.27 No Ejaculation. Could I Be Preggo?

Okay so I had unprotected sex Feb.24, Took Plan B 26hrs After Incident, Ovulated Feb.26, Had Unprotected Sex Feb.27 No Ejaculation. Could I Be Preggo?

Unprotected sex: It is possible. Since you had unprotected sex close to ovulation. There is possible pre-ejaculation that is not noticed or sensed. Check pregnancy test if you miss period. ...Read more

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My period is 4 days delayed and on aug 24 I took Plan B right after my ovulation day, could i be pregnant still?

My period is 4 days delayed and on aug 24 I took Plan B right after my ovulation day, could i be pregnant still?

Possible pregnancy: I am not sure how soon after sex you took plan b. It may or may not have worked. If you're in doubt, proceed with taking a pregnancy test. This should dissipate your worries. ...Read more

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Does Plan B work on ovulation day & after ovulation?

Does Plan B work on ovulation day & after 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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Does Plan B work on before and/or after ovulation if taken withing 24 hours?

Plan B: Plan b works anytime in the cycle. The sooner you take it after intercourse, the better — and certainly it has to be within 72 hours. Her just being 2 hours off on her pill is absolutely no big deal. Finally, remember Plan B does not protect you from std's, so use of a condom is always a good idea. If you plan to be sexually active, please make appointment with doc for contraception planning! ...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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I had unprotected sex on the 19th of march. I ovulated on the 20th of march and took Plan B on the 21st. Does Plan B work after ovulation has occurred?

I had unprotected sex on the 19th of march. I ovulated on the 20th of march and took Plan B on the 21st. Does Plan B work after ovulation has occurred?

Yes it does.: Planb belongs to post-coital contraceptive methods when taking high dose oral Progesterone with or without estrogen combination prevents pregnancy. It works by preventing fertilized egg from implanting into uterine lining. However, it's efficacy is not 100% but probably about 85% and must be used within 48-72 hours after the unprotected sex. ...Read more

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Very confused. I have done lots of research on Plan B one step and keep getting mixed answers. Is Plan B effective during and after ovulation or not?

Yes: It is, but it is not a great method of birth control which is why they call it plan B and not plan A. If you need to take it then do it as soon as you can, but you're best off after that seeing your doctor for birth control. ...Read more

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Does Plan B one step really work if I take it during ovulation or after ovulation? Because wouldn't the egg have appeared already and have met sperm?

Does Plan B one step really work if I take it during ovulation or after ovulation? Because wouldn't the egg have appeared already and have met sperm?

Works more than 1: Way. Plan b can prevent the ovary from releasing an egg, thickens cervical mucus which makes it harder for the sperm to reach the egg and thins the lining of the uterus to prevent implantation. You should use protection every single time you have vaginal intercourse if you are not ready to become a parent. ...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 an unpredictable change in your normal cycle. Please speak to your GYN. ...Read more

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Had unprotected sex for 20 seconds. It was almost one week after ovulation. Took Plan B pill the next day. Pregnant?

Had unprotected sex for 20 seconds. It was almost one week after ovulation. Took Plan B pill the next day. Pregnant?

Probably not: Best to do a pregnancy test 7-10 days after the sexual encounter, and also in future protect yourself with barrier contraceptives as well as perhaps consider an ongoing contraceptive method ...Read more

Plan B (Definition)

Levonorgestrel is a women's ...Read more