I Have Breast Calsifications (biopsy 18 Months Ago) Recent, They

I have breast calsifications (biopsy 18 months ago) recent, they are back. Non-cancerous. I have also had hip and femer surgery with results of heterotopic calsivication in the groin which can be painful with lots of exercise. I also have ostio pedia. My question is: Why is my body not using my calcium for my bones and dumping it in my breasts or using it in excess in my groin?