you're obviously going to get negative responses to your question on a forum that's for side effects. the women (and men) posting on this site are not happy with their mirena iuds!
however, there is a larger issue here and that is side effects of ALL birth control options that contain hormones. for an unbiased, truthful account of birth control options and risks, go to mercola.com and type in birth control in the search box. this doctor's got tons of good info you can rely on.
consider going natural. cervical mucus/basal temp monitoring has worked for me for 5 years. before that i was on different types of pills and depo provera and they all messed up my system and gave me eczema and gallstones. happy to say i have beautiful skin and no Gallstones today, thanks to curezone and dr. mercola!