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Antibiotics can decrease the effectiveness of the pill. It is very possible to get pregnant while taking andtibiotics and birth control pills at the same time. See your doctor.

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Q: Can you know if your pregnant before your period I was taking antibiotics with my Birth Control and i threw up 3days in a row. I really need to know.?
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Can antibiotcs affect your period when ou are not on birth control I started the antibiotics on Thrusday had and sex on Saturday and didn't get my period on Wednesday. Could it be the antibiotics?

no you may be pregnant this depends on when your period was due.


Can taking 3 different antibiotics in a month and a half make you start your period 2 days before the placebo pills?

Yes it can. Antibiotics also lower the effectiveness of birth control pills so there is a chance you may be pregnant. See your doctor for a blood test.


If you conceive while on antibiotics making the birth control pill ineffective would you not have a period when starting the sugar pills?

First, very few antibiotics affect the bith control pill. These include griseofulvin, rifampin, and some HIV drugs. Second, if you're pregnant, you're likely to miss a period.


Negative urine test and a negative blood test but period is stil late and feeling really pregnant Clothes are starting not to fit and your moods are flying out of control?

are you wanting to be pregnant? my friend done this when she convinced herself she was pregnant. she even produced "milk". just a suggestion. no, im not "wanting" to be pregnant. its just the thing that i was on birth control, took antibiotics, and now i feel like this. ive been on this birth control for awhile and took antibiotics with it. i know its just not the medication...


Can i get pregnant 2 days before period?

can i get pregnant 2 days before my period starts


Will birth control force you to get your period even when you're pregnant?

No it will not. If you become pregnant, you will most likey not get a period, even if you are on birth control.


Could you be pregnant if you missed like a week of birth control pills and now you started your period and it's lasted longer is heavier than before?

You can not be pregnant if you have your period at all. However, if you have missed a week of your birth control pills you do have the chance of becoming pregnant if you have unprotected sex.


Am you pregnant if you spot a week before your period?

If you have a period than you are not pregnant


You are on birth control you are taking antibiotics for a week before your period and then the week of your period you are not on bc and then you start back up the following wk how long should i wait?

There's no need to wait.


Can you get pregnant a week before your period on birth control?

If you take the BCP everyday as directed you are 99.5% protected from pregnancy.


Do antiobiotics effect you period i was taking antibiotics for a uti 10 days i did not get my period yet in a month. i took two pregnancy test both said nope?

I am not sure about affecting your period but I do know that taking Antibiotics while on birth control can keep the pill from working effectively and therefore have a higher risk of getting pregnant. So while on antibiotics as well as atleast a week after (to ensure the antibiotics if out of your system) either refrain from intercourse or use a condom.


Can you have a last period before pregnancy?

Most people have a last period before they are pregnant. Some even have a period while they are pregnant.