If you want to use GH, I would consider using it long term, well beyond the cycle that you are planning. 5-6 months is an ideal shorter run. Really though, if you can stay on for longer, you will continue to see benefit from it. 

a low dose is 2iu. This is considered an HRT dose. You'll see increased quality to your skin,  hair and nails. You may get some fat loss with this dose, You may want to go up to 3-4iu a day to get a stronger fat loss effect as well as help improve muscle quality. At this dose, you are not going to turn into a freak, but it will incresae the quality of your physique, adding some new solid tissue while getting rid of fat