<s>[INST] Hello I had Implanon contraceptive implant inserted in August 2010, so it is due out in August this year; since having he implant I have not had any periods or bleeding in nearly 3 years and now I have suddenly started. I have all the symptoms of a normal period and nothing is excessive or worrying. However it is concerning me as the implant is nearly due to be replaced and now I am suddenly having a period, I wanted to know if this means the implant has stopped working? [/INST] NamastheWelcome to Healthcare-MagicGreetings of the day fluctuating levels of hormone release may cause this withdrawal bleeding.There is no cause of concern and everything seems to be okay. Do get it replaced at earliestIn case you need any further assistance, will be glad to assist you.Wishing you happy and healthy lifeTake CareBest RegardsDr Deepak K KMBBS,MS,MCH </s>