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It depends on the particular method used. The failure rate for Birth Control methods is usually given as the percentage of women using that method who get pregnant within a year, and ranges from nearly 30% (spermicides alone as typically used) down to less than 1% (implants, vasectomy, tubal ligation). For comparison, the failure rate for not using any form of birth control at all is about 85%.

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9y ago

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Is birth control ineffective while taking metronidazole?

Can birth control be ineffective while taking metronidazole?


Would medications for Rosacea make your birth control pill ineffective?

Yes


Can taking birth control symptoms be cofused with miscarriage?

birth control increases your chances of not getting pregnant


Birth control's affect on teens that just began puberty and are taking pills?

You should not mix pills with your birth control pills. This candamage your insides or cause your birth control to be ineffective. Mixing pills is dangerous.


Do your chances of becoming pregnant increase a week into birth control?

No, birth control decreases your risk of getting pregnant.


Can you get pregnant on birth control without penetration and the guy released outside on my leg?

The chances are slim but birth control can never be 100 percent trusted especially if you are new to it. Chances are your not pregnant.


What is chances of being pregnant after being on pill for 3 years and then stop and you have irregular periods?

Once you stop taking the birth control pills you are able to become pregnant.


Ive only been on the birth control pill for 4 days and after the third day you and your boyfriend had unprotected sex how likely is it im pregnant?

Birth control pills are not effective until you have used them for 7 days. Thus, your chances of being pregnant are the same as if you were not on birth control at all.


What are the chances of being pregnant the day after your period but you are on birth control?

There is no chance. If your period was on it means that there is no way that you could have been ovulating. Don't worry.


Does taking Lamictal make birth control pills ineffective?

No. There are very few medications that have an effect on BCP.


Pregnancy can be possible after taking birth control pills?

the siple answer is yes. nothing is 100% except abstinance. Being on birth control just reduces your chances of getting pregnant dramatically making it 99% effective. I just say this because I got pregnante with my first while I was on birth control.


Can sperm get you pregnant while on birth control?

Yes. However you decrease the chances by taking your birth control correctly and by using condoms.