Half of expectant women in Montenegro show iodine deficiency, indicating that supplementation during pregnancy is necessary.

Objective: In this study, iodine level in pregnant women of Montenegro and their needs for supplementation were investigated.

Methods: A urinary iodine concentration (UIC) study of 326 pregnant women between September and December 2017 in three regions of Montenegro was performed. UIC was related to creatinine (UI/Cr ratio).