<prompt> Prevention or treatment of osteoporosis in post- menopausal women may be acheived by all EXCEPTEstrogen and progesterne hormone replacement therapyCalcium and vitamin D supplementationBisphosphonatesMultivitamins  <response>: Multivitamins do not play any role in treatment of osteoporosis. Vitamin D is the essential vitamin. REF.Essential of medical pharmacology K D TRIPATHI 6 Edition, Page No - 330 