I'm just on tri cyclen, i'm on my second week. I just started it, and it seems to be going pretty good. Except for that i've been bleeding for nearly 10 day now, and my period usually only lasts 5. It's not that heavy of bleeding, and my friend told me that it's normal, because your body takes time to adjust. I haven't had any side effects, i've actually lost nearly 12 pounds since i've been on it, which is probably one of the down sides. Other then that, it seems to be alright. My doctor wanted to put me on tri cylcen lo, but I have to take meds for the next 6 months, and she had told me that the medication may interfere with with tri cyclen lo, so she thought it was best that she put me on tri cylcen. Not sure why...But who knows haha