Triradiate pelvis is seen in:: (A) Rickets, (B) Chondrodystrophy, (C) Osteoporosis, (D) Hyperparathyroidism
Answer is A. Contracted pelvis is alteration in size and/or shape of pelvis of sufficient degree so as to alter the normal mechanism of labour in an average size baby. It can be a result of malnutrition, diseases or injuries affecting the bone of pelvis or it can be due to any developmental defect.