99.9% effective
Anything is possible. No birth control is 100% (except of course abstinence) so there is always a chance.
Yes you can get pregnant if you have vaginal sex and have not taken birth control for 1 month.
You may need to change brand of birth control. See your DR
About 90% of women can get pregnant after a month without birth control.
Birth control can cause this to happen don't worry
Hormonal birth control can make the period so light that it seems to disappear altogether. If you have taken your birth control correctly in the previous month, there's no need for concern. If you've made any errors, take a pregnancy test to make sure that's not the cause of your missing period.
It takes one month for birth control to work effectively in your body & one month before you can have unprotected intercourse.
Birth control loses all of its effect the day that you stop using it.
Yes you should
Yes.
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pregnancy,