<prompt> Triradiate pelvis is seen in :RicketsChondrodystrophyOsteoporosisHyperparathyroidism  <response>: Ans. is a i.e. Rickets 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. 