You may be experiencing perimenopausal symptoms during which excessive irregular menstrual bleeding may occur along with numerous symptoms can occur
For the mass protruding from vagina, it may be due to weak vaginal vault
which descends during increased abdominal pressure (such as urinating, defecating etc)
This is called as prolapse
Normally this condition is common in old age and with number of vaginal birth due to which vaginal vault has become weak due to age.
Have good diet. and You should consult your Gync for further evaluation, he may advice of treatment options available to you.