Menstruation suddenly 15 days early harm

Menstruation suddenly advanced 15 days, if the menstrual cycle is more regular at ordinary times, this bleeding occurs in the middle of two menses, it is likely to be ovulation bleeding, mainly after ovulation estrogen levels in the body decreased, endometrium lost support, showing transient shedding bleeding, this bleeding is generally 2-3 days, the longest does not exceed 7 days, bleeding volume is less than menstrual blood volume, occasionally one or two ovulation bleeding, for normal physiological phenomenon, can not be treated. If this situation often occurs, it belongs to abnormal bleeding, normal and endocrine disorders or organic diseases, not only easy to induce anemia, if there is a birth plan, it will also cause fertility difficulties, should be in the menstrual period 2-5 days for sex hormone six tests, at the same time it is recommended to carry out B-ultrasound examination, thick endometrium, diagnostic curettage should be carried out.