Trying to conceive

I'm 20 and I've been married for 2years, we have bee trying to conceive for two years now, my mother had put me on deprovera(injectable birthcontrol that stops the period completely) when I was 9 years old and I finally got myself taken off of it when I was taken away by the state at age17. It has left some scarring in my uterus that caused me to miscarry last December although I was 3.5 months pregnant. Advice would be very helpful, thankyou