Early pregnancy flow brown discharge eat dydrogesterone tablets have no effect, may be insufficient treatment time or gynecological diseases caused by brown discharge, need to treat the symptoms. 1. preeclampsia: women in early pregnancy brown secretions, need to consider the possibility of preeclampsia caused by the luteal function of the body may have a relationship, you can take dydrogesterone tablets to replenish estrogen and progesterone, often need to be treated for two weeks or so, no effect, do not exclude the possibility of insufficient treatment time caused by the need to continue treatment. 2. gynecological diseases: the cause of brown discharge, there may be gynecological diseases, such as cervicitis and cervical polyps, etc., both of which can not be relieved by taking dydrogesterone tablets. Cervicitis requires anti-inflammatory treatment according to the triggering cause; cervical polyps require conservative treatment or surgical treatment according to the size of the polyp. The common adverse reactions of Dydrogesterone Tablets include headache, edema, itching, skin allergy and urticaria, etc. Unexplained vaginal bleeding and allergy to Dydrogesterone Tablets are contraindicated. In addition, the application of the above drugs have certain risks, and should be taken under the guidance of a doctor.