Does hyperprolactima can cause breast cancer in future? What is a parmanent cure of hyperprolactima? I have concerned doctors. Done MRI, taken cabergolin, then after leaving medication and after some time again it rises.also my right breast is heavier and bigger than right is it due to prolactin? I did USG last six months back it was normal.also prolactin checked last month it normal still I have assyemetrical breast! Is this due to prolactin does pregnancy and breast feeding can reduce the size or bring them into normalcy? I heard the prolactin increases mammary gland tumors and cancers. Is it true ppl clarify.