Objective:To investigate the iodine nutrition status and thyroid function and their changes in different stages of pregnancy among pregnant Uygur and Han women in Urumqi,China. Methods:The cross-sectional method was used to assess the pregnant women who underwent thyroid function screening in Department of Endocrinology in The People's Hospital of Xinjiang Autonomous Region from January 2016 to September 2017,and urinary iodine and thyroid function were evaluated. A total of 1268 healthy pregnant women with...