question: am  27  years  old lady   , I  have  been  feeling  a pain  in  my  left  lower  abdomen   for  the  last  two  years ,  I gone  for  a   check  up  but  everything  went  well ,  a few  months  later  the  pain  come  back   and   I  went  to  another  test  where  I  have     done   an  ultra  sound  scanning     but they  did  get  anything  .  am  so  worried about  my  condition  because the  pain  is  still  there  please  I need  some  help