How much higher is the success rate of artificial insemination than natural conception? Artificial insemination is the injection of male sperm into a female through human intervention to achieve pregnancy. Natural conception refers to sexual intercourse between men and women under natural circumstances, thereby impregnating a woman. Many people believe that natural conception has a higher success rate than artificial insemination, but in fact, this is not the case. This article will focus on fertility rate, treatment effect, time cost and legacy.