i dont know about spearmint tea.but visit endocrinologist /gynaecologist for best results of your problem

Hi.... Currently no evidence is there for spearmint role in pcos..... Consider dietary changes. Low-fat, high-carbohydrate diets may increase insulin levels, so you may want to consider a low-carbohydrate diet .. Don't severely restrict carbohydrates; instead, choose complex carbohydrates, which are high in fiber. The more fiber in a food, the more slowly it's digested and the more slowly your blood sugar levels rise. ...