Is Calcification Of Uterus During Pregnancy Be Serious Medical Condition?

I had an abdominal ultra sound initially for suspected miscarriage , which ended in the form of an internal scan, as he wanted to check closer what he was seeing, the scan guy said that my right ovary was heavily calcified and I will need to contact my GP tomorrow as he will send the results to him tonight, and the ultra sound was taken late this afternoon, what could this mean