Please advise me.. can the mirena give side effects??And can the diaphram hurt?

Yes, Mirena can cause side effects to occur. According to the commercial from the company it said that some spotting can occur and for some cysts can also occur. There were some other side effects listed. To find out more about them please check out: a href="http://www.mirena.com" rel="nofollow"http://www.mirena.com/a (the website from the manufacturer of Mirena)