The brand doesn't matter as much as how your body reacts to it. Every woman reacts differently to each pill and you have to find the one that works good for you. One might work for me, but not for you.
Azwo
yes very much so, unless you want to become a parent, then birth control is going to get in the way...
Then you can expect to be fertile off and on - if you are sexually active you can count on getting pregnantsooner or later.
If you're not on it already, try going on birth control. It happens to many women when they first start on birth control that your breasts may go up a full size. If you are already on birth control, try going on another one. The difference between the two sometimes has the same reaction from your body as first going on birth control does. But if you are changing birth controls, or are going on it the first time, make consider your options and make sure with your doctor which one is the best for you.
No. There is no correlation whatsoever between me taking birth control and you doing whatever it is you consider doing.
How long it is going for what? Missing birth controls like you have will put you at risk of pregnancy. If your trying to conceive then stop taking birth control because this will harm the Foetus when you do conceive.
It all depends on how long you bled before you got on birth control. Some birth control pills stop bleeding completely. If you want to know specifics your going to have to talk to your doctor.
Sex
No. No school can make anyone use birth control.
This would not usually be a symptom of stopping birth control but could be caused by a UTI. You may want to see about going to see a doctor to find out what is going on.
No, when going off birth control your body takes a little bit to get used to it and it is very normal to have irregular periods for awhile.
Yes, birth control is an on going practice, to prevent pregnancy every day. Don't stop taking the pill, as directed by your doctor.