Originally Posted by kelkel Yes, HCG can cause some water retention via several pathways, including up-regulation of progesterone. Your protocol of one shot a week would be better served by taking your hcg both one and two days (@250 iu's) before your test shot. The purpose of this is to give your testosterone a bump while your exogenous T is waning based on its half life. 200 mgs per week is high end TRT and not many people need that much. How are your Free T, Total T and E2 levels on this protocol? ...