there have been some reports of suppression but far more dont report much than do... is it possible, yes, its it common, at least in a high amount, no, it is not.. however its something to be aware of that the possibility is there...
you should be getting bloods pre, mid and post cycle no matter what you are running... this is a must... if you cannot go to your doctor then use this link to get a panel... you always need to do pre cycle bloods to have something to compare to though or everything is skewed... http://www.privatemdlabs.com/lp/Female_Hormone_Testing.php