Well by your previous questions, no! If your wife is still pregnant, it will make it difficult to even finalize a divorce until the child is born. If it's only been a year, why not try counseling. Don't give up too quick unless something major has happened.
If I'm not mistaken, once you consummate (have sex) a marriage, only a divorce through the courts is allowed. If a marriage has NOT been consummated THEN an annulment can be requested in under 1yr...like someone stated above, why give up so soon..every marriage takes work...unless adultery has been committed, I'd hang in there...good luck.