Transient vasopressin-resistant diabetes insipidus of pregnancy.

A case of transient vasopressin-resistant diabetes insipidus is reported, which developed during the seventh month of pregnancy and remitted postpartum. The patient was resistant to large doses of deamino-D-arginine vasopressin as well as to aqueous pitressin. She was treated with hydrochlorothiazide. Evidence that prostaglandins may play a role in this syndrome is discussed.