without a cervix the sperm cannot travel to fertalize the egg, without a uterus the embryo cannot grow except in rare cases when it implants with in the pelvis else where,,with out ovaries there is not an egg to be fertilized,,IT IS IMPOSSIBLE
actually it has been reported and I do know of a women that has gotten pregnant after having a hysterectomy believe it or not! Stranger things have happened. The pregnancy was not followed through but it can happen.