Objective To explore the relationship of percentage of morphologically normal sperm with processed total motile sperm count(PTMS)and the influence on the pregnancy rate after intrauterine insemination(IUI).Methods A total of 563IUI cycles in 426infertility couples were divided into 3groups according to the different percentages of morphologically normal sperm,group A(<4%),group B(≥4%to 15%)and group C(≥15%).The qualification rate of PTMS and its influence on pregnancy rate after IUI were analyzed.Results Th...