So my friend has been on the implant birth control (the thing in your arm) for a couple years ish now. She hasn’t had a period since she’s been on it. She has sex with her boyfriend regularly. I think sometimes they don’t use a condom? Not sure on that. She suddenly got a really bad period; bad cramps and a lot of blood. This freaked her out because she hasn’t had a period in pretty much two years. Does anyone know what it could be? She’s scared she may be pregnant??