It's quite possible for you to successfully give birth to your own child after these. However, you may be at a higher risk of miscarriage so you should get prenatal care as soon as you know you're pregnant.
Yes, you can have a successful pregnancy after having a D & C or more than one. You will have to sit down and visit with your OB doctor and see why your body is not allowing you to have a normal pregnancy.
Yes dont worry you can have a successful pregnancy after two D & C's. Just lead a stressfree life and once you concieve in the first trimester take rest and dont overburden yourself.