Here is an article about Prolia and breast cancer.
https://www.breastcancer.org/research-news/prolia-reduces-recurrence-risk-for-someI have been on Prolia for 2 years now.It is a simple painless injection into the abdomen every 6 months and have had no problems or side effects.Many women have it not only for osteoporosis but also arthritis.I was worried when I was told I would have to have it but was quite surprised how many women I know have it regularly , all with no issue.
I need to say I was temporarily on bisphosphonate tablets some years ago and needed an extraction.I found it very difficult to get help due to dentist fear of osteonecrosis of the jaw and litigation.Finally I receiv3d help from Professor Goss who had the chair in dentistry at our Uni but only after cross laps testing to ensure bone was still turning over - it was .
Be careful with bisphosphonates be it by tablet or iv.