Very interesting debate! I have donated milk myself, but never accepted. My DS was intolerant to cow milk and hypersensitive to caffeine and sugar - so just a small bit of Cadbury's would mean a nightmare 24 hours for me. I'm not going to screen mothers for their normal diet because it was a strange diet I was on. Also DH is allergic to nuts so I was also nut-free in pregnancy and BFing. I cannot in all reason ask other women to give up chocolate brazil nuts. Or sticky toffee puddings. Or to change their usual drinks.

I wouldn't accept milk from a stranger either, I would like to vet the woman if not formally test her.

Also, I fed my newborn formula. It really isn't the end of the world. I'd have preferred to have not been in hospital with bullies insisting I would never feed my child myself then trying to ensure I gave up, but that's lesson learnt for next time rather than wishing it never happened.