I'm a lil confused about how 2 use hcg during ur cycle. Ok, most say use 250 or 500iu's. But isn't every 100iu 1cc. So if I'm correct, wud 250iu be 2 1/2cc n 500iu be 5cc. Where do I shoot it in the fat or in the muscle? Also once mixed, does it get stored in a frig or in my dresser?