During the time you are around a month. The body is lacking in minerals which the body should be iodine mineral iron to compensate. And will help relieve pain in the abdomen as well.
The moment you women have menstrual cycle. Deficiencies in the body will lack minerals which the body should have been iodine, mineral salts. Steel to compensate and helps relax the pain kreng in abdomen.
The time is around the Khun month, that situation is a lack of minerals in the body, your body should be iodised salt iron ore to compensate for and will help loosen tight pain in the abdomen.