A hormonal imbalance in women may increase premenstrual symptoms (PMS). Premenstrual symptoms may occur: colic, muscle cramps, nervousness, depression and acne. This imbalance is also the cause of subsequent Pre Menopause and Menopause, where you might have symptoms as: hot flashes, changes in mood including depression and irritability as well as insomnia. 

Taking some plants that contain phytoestrogens like soybeans, and nutrients like Vitamin B6 and Calcium help to mitigate effects of this disorder. Sometimes people needs additional support in stress management; taking walks outdoors for its relaxing effect is suggested