How Accurate Is Artificial Insemination?

There are no doubts in the accuracy of the artificial insemination because these are accurate procedures if done by experienced doctors and in advance infertility centers.  I think you are asking about success rate of this procedure. Success rate depends upon many factors like

1. Age of the women
2. Sperms quality
3. Reason of infertility
4. Duration of infertility
5. Method of ovarian stimulation used

So, success rate vary according to reasons and infertility center between 8%-55%.