probably won't be available for awhile, but didn't anybody see the research OvaScience was doing that use ovarian stem cells to create healthy eggs? Looks like they are working on the study now in England with human subjects.
https://www.healthyus.com/blog/2012/03/promising-new-fertility-research/
https://www.economist.com/node/21548917
https://www.healthyus.com/blog/2012/03/promising-new-fertility-research/
https://www.economist.com/node/21548917