Home birth vs birthing center

So I'm not sure if anyone has ever had a home birth or gave birth in a birthing center but I'm highly seriously thinking about giving birth either at home with the help of my fiance and midwife or a birthing center but I'm not really 100% sure yet, I'm scared to give birth at home b/c both my first 2 pregnicies were high risk but 1 out of my 2 kids were premature and i don't really want to have another premature birth it so i don't know what to do!!!