I think your should have been crusing on an AI throughout the entire cycle for prevention ... low dose Adex or Aromasin IMO would have been ideal.
But, despite what youll hear rarely some people can actually get gyno like symptoms from anavar. Although it doesnt aromatize at all there is a very small # of androgen recpetors in the nipple (along estro receptors etc). If all of your exogenous androgens arent being metabolized (ie, youre taking too much, not training hard enough, or just having bad luck) then some gyno'esque symptoms may occur.
Anavar is the preferred oral AAS in the medical community because it ONLY exerts effects on the androgen receptor and has no direct activity elsewhere (making it ideal in avoiding tumour growth in cancer/AIDs patients); however, hypertrophy of existing androgen receptors in the nipple can occur rarely.