What is going on on the tenth day of my period and there is still blood? There are three main reasons: the first is the need to rule out pregnancy, this is very simple, go to the market to buy urine pregnancy test paper, test the morning urine can tell us the answer very clearly. The second is local inflammation of the endometrium, which can be temporarily treated with oral hemostatic and anti-inflammatory drugs, which may make the symptoms disappear. The third cause may be an endocrine disorder, and if necessary, a gynecological endocrine blood test should be performed.