54yo no period 13 mos. then 3/31/14 heavy 10 day period. 5/21/14 lighter 10 day period. 2 ultrasounds-fibroids. provera (medroxyprogesterone) x10 days 6/25 -7/4. no bleed. fsh 13. em bx set for monday. do i need it?

Yes : Considering the situation - an endometrial biopsy would be an important test to rule out other causes of the bleeding like uterine cancer.

Heavy periods: It sounds like a prudent thing to do. Keep working with your doctor to resolve this. Best of health to you!

Yes: Any post menopausal bleeding should be investigated with an endometrial biopsy.