Dragging feeling in the abdomen cannot be caused by stress
. Altered menstruation
and bowel habit can be due to stress. Though a cyst of such small size is mostly harmless, you should repeat the sonogram to see the progress of the situation if any, and see a specialist for further appraisal of the situation. You should also get assessed for organic causes for your constipation
and if everything else is fine and yet the constipation is unrelieved, you may try a glycerine enema
under medical supervision. Hope this helps. Take care.