There are girls and women that have these hairs around their nipples. This is not a serious problem, but aesthetic. The problem appears if the hairiness spreads on the other body parts, and you feel changes in your organism.
Then, the problem may be in polycystic ovaries, so you will have to see a doctor or a gynecologist.
It could also be as a result of polycystic syndrome of the ovaries, which is also a result of hormonal imbalance.
With cysts, women with this syndrome could have acne, irregular menstrual cycles, longer menstrual bleeding, tendency to gain weight and conception problems. At some women, the syndrome of polycystic ovaries could encourage development of diabetes and heart diseases.