There are multiple factors that directly affect the success rate of IUI treatment moreover, some of the most common factors are:- 
<ul>
<li><strong>Unnecessary Ejaculation:-</strong> To acquire better results, a man should at least abstain for 3-4 days from ejaculation because it can apparently increase the semen volume.</li>
<li><strong>Stress:-</strong> In this procedure, the female needs to avoid the stress and even don’t take any pain relief medicine with the recommendation of doctors.</li>
<li><strong>Unhealthy diet:-</strong> It is among the crucial aspects that women need to eat healthy food to get the best results for pregnancy.</li>
</ul>