The difference between infertility and infertility: Infertility and infertility are two different concepts. Although they both refer to the inability to have children naturally, the reasons behind them are different. Infertility refers to the failure of a woman\’s egg to combine with a man\’s sperm to conceive. Infertility means that although the fertilized egg has been formed, it cannot implant successfully or other problems have occurred, causing the embryo to fail to develop normally. Therefore, the treatments for infertility and infertility are also different. Infertility symptoms and solutions