This category of the American Pregnancy Association website covers all things about infertility. Female Egg Quality is synonymous with the probability of embryo implantation. Many factors contribute to egg quality, Diminished Ovarian Reserve and Maternal Age. Getting pregnant is not an easy task, but understanding the essential physiology of the process is the best place to start. In this chapter I will describe the arduous journey that sperm must make through the female genitals to reach the egg, as well as the simultaneous adventure of the egg during which it matures to become genetically .