Doctors and research have listed over 70 negative affects that processed sugars and oils in any form have on our health. Do the research. See internet; 'Sugar, the sweetest poison of all'. Would you put up to 3 tablespoons in a cup water and drink? Internet; 'Dr F R Klenner 300 hundred perfect babies' including the only quadruplets to survive at that time in the southwest.
I wouldn't think so. It doesn't have caffeine or alcohol in it, right? It's probably safe. If you are still unsure, ask your doctor.
It should not be a problem. Unless you are replacing water with Ginger Ale. During my early pregnancy, I drank ALOT of Sprite. I found it was the only thing to help me keep food down. I am assuming you probably drink ginger ale to help relieve some of the morning sickness. If it helps you feel better, do it. Because at that stage, you need all the help you can get to keep those nutrients from coming back up. Just remember to avoid the dark sodas, like Coke or Pepsi. (rootbeer is generally ok, as it doesn't contain caffine) And remember to drink juice and water as well, just to assure yourself that you are staying hydrated.