question: I am Zehara, 32 yeare old, 64 Kg and I have been suffereing from chest pain and diagnosed for costochondritis before six mounths and were positive. some time the pain go and back especially when I took Depo injection. Now I start thinking about the contraceptive I took in parallel has some thing to do with the costochondritis I am suffering from. Dear doctor, is my suscpect is correct? if so what should I do?