We also found smaller promoted effect of intelligent growth to FG of OIOC in the earlier pregnancy,and the IAR (2.53%) was significantly more than that of mid?term pregnancy (1.37%) and later?term pregnancy (1.25%). ?

• 同时发现，在妊娠早期的3个月内口服碘油对于其子代智力发育的促进作用较小，其智力发育异常的比例为2.；53%25，大于妊娠中、后期的1