Adrian Chiles at the National Sperm Bank

As part of BBC Radio Moments 2015, Adrian Chiles recalls his day broadcasting from the National Sperm Bank in Birmingham.

As well as learning more about the science behind sperm donation, Adrian and the team from 5 live Daily got to meet families who have benefited from the centre.

This clip was originally broadcast on 5 live Daily on Monday 7 December 2015.