I would find a really good specialist and go see them. You are probably going to want to start BC to prevent any potential endometriosis that could be there from getting worse, also it might alleviate your symptoms. But you definately want to see a GYN. I had symptoms just like yours and found out that I had endometriosis on my bladder through a laparoscopy I had just two days ago. It's definately worth seeing a doctor about it to make sure that nothing is wrong
BC can help with Endometriosis. I would talk to your doctor and parents about the options you have. If you find out it is endo then you might want to find a specialist in your area. Etiher way though I would definitely see a gyno because going on the pill can also help with heavy or painful periods. Any form of BC can really help with that. I wish you the best of luck hun and if you have any questions feel free to ask or message me if you want to keep it private. Take care and keep me posted. =)