Premenstrual syndrome are things that happen to us before we actually get our period.

经症是在我们真正来月经之发生在我们身上的事情。

Getting sufficient calcium is effective for reducing symptoms of premenstrual syndrome, reducing high blood pressure, high cholesterol, preventing stroke, and treating osteoporosis.

摄入足够的钙对于缓解经症，降低，糖，防止中风，治疗骨质疏松症效果显著。

In the long form, PMS stands for - dah dah dah dah - premenstrual syndrome. Premenstrual syndrome are things that happen to us before we actually get our period.

PMS 的全称是 - dah dah dah dah - 经症。经症是在我们真正来月经之发生在我们身上的事情。