Your decrease in bone mass may be more related to the accelerated bone loss that women go through within the first five years after menopause (cessation of periods) rather than radiation exposure.
Kungenzeka ukuba ukuphela kwamathambo akho kunxulumene nokuphela ngamandla kwamathambo okwenzeka kumabhinqa kwiminyaka emihlanu yokuqala emva kokuyeka ukuya exesheni (ukuphela kwemijikelo yokuya exesheni) ingekuko ukuba kunxulumene nonyango lwemitha.