52years, bulky uterus fibroid at anterior wall of funders, irregular periods, excess bleeding with clots past 20 days, dnc and pap smear normal. ?

Can be fibroids.: http://www.nerdpocalypse.net/diseases/female.html cannot say in your particular case, but generally, the serious things are ruled out by the DNC and pap.

Be seen: The combination of a bulky uterus and a fibroid is causing excessive bleeding and will cause your blood to be dangerously low. Be seen and all the best.

Seek help from Gynec: A gynecologist can try treating this condition with hormonal medication. Otherwise a hysterectomy could be considered as a permanent solution.