Have any of you women had any side effects from birth control?

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I'm 18 and I want to go on birth control and so I was doing some research about it before talking to my doctor about it, just so I have some idea of what I'm talking about. Anyway, I know there are a bunch of different kinds of birth control, and I see a lot of commercials on TV for Yaz. But I recently heard that it can have some nasty side effects ( http://www.yazsideeffects.net/ ) and so now I'm a little scared. I want bc to regulate my period and also for other reasons, but I don't want to put my health at stake. Are those side effects just like some worst case scenario, or do they happen frequently? What birth control are you on and have you had any side effects? Is there anything else I should know before starting on the pill? Thanks!