42 year old for a few years I have been experiencing a pain in my vaginal wall , periods normal every 28 days , lasting 7 days , a few months ago I noticed slight bleeding after intercourse had a visit to emergency room had pelvic exam pap smear and internal ultra sound doctor did say I had a polyp since then my periods have changed two months where it lasted only 2 days last cycle was oct 7 , but started again oct 23rd what is going on ???