Hi u should get an internal examination done by a gynaecologist to rule out erosion or infection of cervix  or some cervical polyp Also get an ultrasound sound done

Hi there I understand your concern... You will require detailed clinical examination and evaluation...possible causes are polyps, fibroids,ovarian dysfunction,. Some blood coagulation disorders — such as von Willebrand's disease etc,uterine cancer, ovarian cancer and cervical cancer etc...Consult nearest gynecologists for clinical examination and evaluation they will do the needful.