Use of thiazide diuretics to reduce the hypercalciuria of hypoparathyroidism during pregnancy.

A pregnant patient with idiopathic hypoparathyroidism is presented. Her hypomagnesemic hypocalcemia was unresponsive to conventional therapy, or magnesium supplementation. Sodium restriction with thiazide therapy successfully reduced her renal calcium wastage to control her symptoms and raise her serum calcium levels.