can cause irregular bleeding as a side effect and if your bleeding is persistent, you should report the matter to your consultant; your doctor may want to stop the drug and put you on some other preparation. It is not wise to wait and watch as you are bleeding and this could lead to unnecessary and unwanted complications. If the implant is the cause of the persistent bleeding, you may have to get it removed and go for alternate means of contraception
. Hope you find this information useful. Wish you good health.