<prompt> Post operative hypoparathyroidism related hypocalcemia usually presents with in48 hours10 days10 weeks6 month  <response>: A 48 hours 762- Bailey Love 26thParathyroid insufficiency - the incidence of permanent hypoparathyroidism should be less than 1 and most cases present dramatically 2-5 days after operation, but very rarely, the onset is delayed for 2-3 weeks or if a patients with marked hypocalcaemia is asymptomatic 