I haven't had one, but various biopsies I have had, hurt, only cause they were aspirations into soft tissue and no numbing agents were used.
I understand bone marrow biopsies can be painful, but I am sure in today's time they have some topical numbing agent, if not, a light sedation may be used.
I am so sorry to hear you are having medical problem(s), I will be sure to keep you in my prayers, sweet lady
Please feel free to let us know how you do, or feel free to pm us.
Take care now,
Good wishes and love,
DE

(((((((((((( Petunia )))))))))))))))))))))