if nips are already a problem, nolva, if you want to prevent aromatizing all together, Armidex/liquidex.
PS- Anti-E's are used during a cycle, out to clomid therapy , not after the cycle, by then the damage is done- IE the lumps under nips.
Hit 40 mg/day of nolva, anf if they are puffy, get Yohimburn, and rub that into nips 2X per day!
PS- are you doing clomid post cycle??