My periods are irregular since many months and on does't come properly first day there is brown dischrge then till 2-3days little brown discharge is seen after that period come . some time brown and pinkish blood come twice in a month . this problem is continued from 5 -6 months .My tests like testestrone level is 29.98 ng/ml , there is no diabetes both type are tested and no PCOS in ultra sound ... then plz tell me what is the problem behind it