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First Cycle, 12wks Test E. Add Hcg During or After? 4wk PCT?

hey guys im going to do my first cycle. im going to run 350mg of test e for 12 weeks, would i need to also add hcg during my 12week cycle? or should i add hcg after my 12 weeks are done? i heard its alot better doing it through your cycle an not using hcg for a pct? any suggestions? also for my pct i was thinking a 4 week pct, but im debating what to use for a pct? any suggestions with that as well? thanks !