Can a Dietion/Doctor help me?P give me diet plan f calcium?

I English is not well.I am 29yrs lady.I cannot walk due to strong knee pain. knee Xray is normal.But bone doctor tell one day bone is shrink.Another day he told us there is calcium deficiency.What is the fact?I am 29yrs lady.Height 4.11.weight 63.How which calcium will requiry for me?Dietion p give diet plan.I cannot digest egg and chicken .