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A is an age related disorder characteris...

A is an age related disorder characterised by decrease in bone mass and increased chances of fracture, Decreased level of B a common cause of this disease. Select the option which correctly fill the blanks A and B respectively.

A

Tetany, Estrogen

B

Osteoporosis, Progesterone

C

Arthritis, Progesterone

D

Osteoporosis, Estrogen

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