anabolic steroids.

Hi guys ,I am taking Sustanon 250 at 250mg per week for 8 weeks, Will i see reasonable gains off 1 amp per week,also what the chances of me developing GYNO,I have Clomid and Esto Supress,Can you Pros tell me if this is a good choice as a first Cycle,also when to start using Esto and the Clomid...