Objective To investigate the changes of serum thyroid peroxidase(TPOAb)and thyroglobulin antibody(TGAb)and their relationship with thyroid function in pregnant women during different gestation period Methods Totally 341 cases of primiparae were selected from October 2015 to September 2016 and levels of serum thyrotropin(TSH),free triiodothyronine(FT3),free thyroxine(FT4),thyroid peroxidase antibody(TPOAb)and thyroglobulin antibody(TgAb)were measured by electrochemiluminescence. Results The prevalence of thy...