For decades, the biologists have generally accepted the theory which states that the ordinary female mammals come to life with a limited number of eggs, and that there was no chance that the females could ever produce any other eggs during her adult life.
In 2004, a research group at Harvard Medical School nevertheless found that the oocytes in the ovaries of female mice died too fast as to fulfill for the lifetime of the female. Further research output the presence of cells known as female germline stem cells (FGSCs), presumably …