Why does backache not come again menstruation

Waist acid does not come menstruation may be caused by pregnancy, if also show nausea and vomiting, fatigue, loss of appetite and other performance, and recent sexual life, it may be pregnant, should use pregnancy test stick or pregnancy test paper to confirm whether pregnant, and then to the hospital blood test hcg, final /confirm/iation. Female palace cold may also cause the performance of delayed menstruation, waist acid, etc., if in the premenstrual period eating cold food, such as cold drinks, ice cream, etc., will cause palace cold, should be through the method of drinking brown sugar water to alleviate. If menstruation delayed for more than 7 days, may be showing menstrual disorders, mostly because of gynecological inflammation caused, such as uterine fibroids, pelvic inflammatory disease.