In this study, the researchers removed the nucleus of an unfertilized egg cell and replaced it with the nucleus of another donor's egg cell. The resultant egg cell contained the genome of the ...

For decades, donated eggs or sperm have been the mainstay of infertility treatments, leaving many hopeful parents without a ...

A new technique which uses stem cells to grow eggs outside the body, so a woman doesn’t have to do two weeks of injections through standard IVF, is being trialled at an Australian clinic.

the founder cells of the germ line, develop through several immature stages by undergoing mitosis, meiosis and differentiation into the haploid egg cells, which carry only one set of chromosomes.