10 days without menstruation is seen in two cases, the treatment is as follows: 1, regular menstrual cycle if the menstrual cycle more than 10 days without menstruation, to do urine early pregnancy, or blood test blood HCG that is, human chorionic gonadotropin to see whether the early pregnancy, if the early pregnancy, there is a plan for pregnancy can be continued, if there is no plan for pregnancy can be abortion at a later date. 2, seen in the menstrual cycle is not very regular women, to rule out early pregnancy, to consider the delay due to the menstrual disorders, delayed cycle caused by the delayed menstruation. To rule out early pregnancy, in the case of ruling out early pregnancy, it is considered to be due to menstrual disorders, cycle delay caused by delayed menstruation. You can use progesterone treatment for about 1 week, stop the drug for 3-7 days to see if there is a return of menstruation. If menstruation resumes in this case, observe whether menstruation is regular in the future. If there is no menstruation after using the medication, hormone tests should be done to see if the hormones in the body are disturbed and to decide on the next step in the treatment.