1. Hypoparathyroidism causing hypocalcaemia often requires lifelong vitamin D and calcium supplements.2. Hypoparathyroidism leads to hypocalcaemia, evidenced by tetany seizure and respiratory paralysis.3. Etiology due to hormonal defects : idiopathic hypoparathyroidism and pseudohypoparathyroidism. 4. Malformations in the GCM2 gene have resulted in hypoparathyroidism . 5. Removal results in hypoparathyroidism and a need for supplemental calcium and vitamin D each day. 6. In older individuals, paresthesia is often the result of poor diabetes, hypothyroidism, and hypoparathyroidism . 7. Hypoparathyroidism may present with symptoms associated with decreased calcium, and is generally treated with Vitamin D analogues.8. Children born with this disorder have a clinical triad of hypoparathyroidism , physical and mental retardation and typical facies. 9. This can be caused by conditions such as hypoparathyroidism and hypovitaminosis D or even decreased hormonal production in the elderly. 10. Severe Hypomagnesemia inhibits PTH secretion and also causes resistance to PTH, leading to a form of hypoparathyroidism that is reversible.