hi guysi need help with pct.i am doing the following cycle and i am into 12th week got some great results.

week test cyponaite equipose winstrol d-bol

1 800mg/week 600mg/week 30mg/day
2 800mg/week 600mg/week 30mg/day
3 800mg/week 600mg/week 30mg/day
4 800mg/week 600mg/week 30mg/day
5 800mg/week 600mg/week 30mg/day
6 800mg/week 600mg/week 50mg/eod
7 800mg/week 600mg/week 50mg/eod
8 800mg/week 600mg/week 50mg/eod
9 800mg/week 600mg/week 50mg/eod
10 800mg/week 600mg/week 50mg/eod
11 800mg/week 600mg/week 50mg/eod
12 800mg/week 600mg/week 50mg/eod

i got some great results.i am in the 12 th week still getting results.i do have following quetions

1.can i extend my cycle for another 4 weeks.
2.how to do pct.i do have hcg ,nolvadex and clomid.how to use them and when how should be the dosages.

please guys help