Can I?

I had cancer as a child. I had ewings sarcoma, it was located in my lower pelvic area. They couldn't surgically remove it without taking out half of my hip, so they treated me with chemotherapy and radiation. The radiation killed my eggs. My doctor told me there is a high high chance that I wouldn't be able to get pregnant. I take the birth control pill to balance out my hormones, and the pills make me have a period. I don't know weather or not I should be able to get pregnant. I'm really confused and would just like an answer. I'm not ready for a child yet. I'm only 16. But I'm curious so when the time does come around I will know if I need to be treated or I can have a child with out treatment. Please help?