Gynaecology & Obstetrics Fetal Skull and Maternal Pelvis b6cbe1d4 Triradiate pelvis is see in: A Rickets B Chondrodystrophy C Osteoporosis D Hyperparathyroidism High-Yield Explanation Ans. is c, i.e. OsteoporosisOsteomalacia or deficiency of Calcium and Vitamin D shows triradiate pelvis. Since osteomalacia is not given here we are going for osteoporosis.