What condition is softening of bones, from loss of calcium, it is due to lack of Vitamin D or sun exposure, one clinical feature is pigeon chest deformity, and waddling gait?

What condition is softening of bones, from loss of calcium, it is due to lack of Vitamin D or sun exposure, one clinical feature is pigeon chest deformity, and waddling gait? 




A. Rickets
B. Osteoporosis
C. Spina Bifida
D. Cretinism








Answer: A