I understand that it happens, my question is the prevalence. When I looked into banking cord blood I found a lot of ‘possible’ and one-off cases, but no actual

I understand that it happens, my question is the prevalence. When I looked into banking cord blood I found a lot of ‘possible’ and one-off cases, but no actual statistics about how likely it was to be useful. That made it unpalatable, especially compared to the known benefits of delayed clamping.