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Doctor insights on: Antibiotics And Ovulation

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Help! can antibiotics inhibit ovulation?

Help! can antibiotics inhibit ovulation?

Should not: While some antibiotics may interfere with the absorption of hormones, they should not prevent ovulation. ...Read more

Dr. John Leander Po
1,117 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more


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Does antibiotics increase ovulation if you are on birth control? Making it rly easy to get pregnant as soon as u start taking them?

Does antibiotics increase ovulation if you are on birth control? Making it rly easy to get pregnant as soon as u start taking them?

No: There is only one anabiotic that has been shown to possibly decrease the effectiveness of birth control. And that antibiotic is rifampin. This is not a commonly prescribed antibiotic. There is no data linking common antibiotics with decreased birth-control efficacy. ...Read more

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Am I pregnant? I had sex 9/2 condom slipped&took an eoc that day.. Was on antibiotics&loestrin24, "ovulating" now 9/10. What are the chances of preg?

Am I pregnant? I had sex 9/2 condom slipped&took an eoc that day.. Was on antibiotics&loestrin24, "ovulating" now 9/10. What are the chances of preg?

Check a test: Emergency contraception is used to reduce the risk of an unplanned pregnancy but it certainly does not guarantee. That being said you were also taking regular birth control of the time. That makes pregnancy unlikely but possible. Check a test to find out. Of note you should not be ovulating if you are taking birth control pills. They work by preventing ovulation. ...Read more

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Does antibiotics interfere w ovulating?

rarely.: Some antibiotics lower the amount of estrogen in the blood, but usually not enough to prevent ovulation. ...Read more

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Can antibiotics interfere w/ovulation or menstruation?

Can antibiotics interfere w/ovulation or menstruation?

Ovulation: There is no specific evidence that antibiotic use affects ovulation. The stress caused by the infection, however, could affect your cycle as much as any other stress. If you are being treated for ovulatory or infertility problems, consult your physician. ...Read more

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Can having a UTI (not on antibiotics yet) make me have a false ovulation test?

Can having a UTI (not on antibiotics yet) make me have a false ovulation test?

Yes: Yes, if you are using infected urine to determine the presence of ovulation. Get the UTI treated as soon as possible to avoid an ascending infection to your kidneys. ...Read more

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Could an antibiotic for oral thrush affect my ovulation?

Could an antibiotic for oral thrush affect my ovulation?

It doesn't: Ovulation is under natural hormonal influences of your body that are not altered by antibiotic use.Although there is some concern about interference with birth control pills with some antibiotics, they seldom do. ...Read more

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Last antibiotic on bcp day 1think i ovulated 2 days later. No sex rubbed vag on his penis w/ his undies on. Worried about precum..Couid i b preggo?

Last antibiotic on bcp day 1think i ovulated 2 days later. No sex rubbed vag on his penis w/ his undies on. Worried about precum..Couid i b preggo?

Not likely: By your description, pregnancy would not be likely. The risk is not zero, however, if seminal fluid comes in contact with you. If you absolutely do not wish to risk pregnancy, you have got to come up with a better form of birth control than keeping his "undies on.". ...Read more

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I'm on the pill but was taking an antibiotic. I had sex 3 days before ovulation but partner did not ejaculate. Chances of becoming pregnancy?

I'm on the pill but was taking an antibiotic. I had sex 3 days before ovulation but partner did not ejaculate. Chances of  becoming pregnancy?

Risk is very small: Since oral contraceptive pills prevent pregnancy primarily by preventing ovulation, you probably did not ovulate "3 days after sex". Most antibiotics will not affect pills efficacy or will very rarely interfere with their contraceptive functions as long as you take your pills regularly, without vomiting, diarrhea or other major change in your metabolism. Best ask for a LARC an IUD or an implant. ...Read more

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Took antibiotics (amoxicillin) mid-cycle. Im on the pill and was taking it prior and during. Is there a chance i may have ovulated?

Took antibiotics (amoxicillin) mid-cycle. Im on the pill and was taking it prior and during. Is there a chance i may have ovulated?

Probably not: Most antibiotics don't affect contraception. It's now thought that the only types of antibiotic that interact with hormonal contraception and make it less effective are rifampicin-like antibiotics (treatment for tuberculosis). Amoxicillin is not related. As long as you were taking your BCP every day, you should not ovulate. ...Read more

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Haven't missed BC or taken late, started spotting several days ago around were would of ovulated. 3 dif antibiotics b2b last month. Risk of pregnancy?

Low: Your risk of pregnancy is low if you are taking birth control pills correctly. Most common antibiotics don't interfere very much with birth control pills. If you took an exotic antibiotic like Rifampin, it would be a different story. Your risk of pregnancy is low but do a home pregnancy test if you are worried to be sure. Best wishes! ...Read more

Dr. Philip Chenette
1,816 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