Keywords pregnancy;hyperemesis gravidarum;thyroid;thyroid stimulating hormone;human chorionic gonadotropin;tumor necrosis factor;sodium iodide symporter;

• 关键词妊娠;妊娠剧吐;甲状腺;促甲状腺激素;人绒毛膜促性腺激素;肿瘤坏死因子;钠碘同向转运体;