Research on reproductive advanced age has predominantly focused on women due to their biological clock. The impact of paternal senescence on fertility and offspring is still poorly understood. In this ...

A study by University of Manchester scientists has revealed some of the mechanisms which may explain why older mice are more likely to give birth to offspring that have not grown to their full ...

Researchers at Shanghai Jiao Tong University have produced fertile adult mice from embryos constructed entirely with male genetic material. Mice carrying only paternal DNA developed into fertile ...