Congratulations. There’s a lot to think about when your newborn comes along and to be honest, I think you should concentrate on eating things to keep you happy and healthy and only worry about what’s being being passed through your breast milk if there’s a particular problem.

Pragmatic advice from the NHS

https://www.nhs.uk/conditions/pregnancy-and-baby/breastfeedi...

Advice on what you should be eating now:

https://www.nhs.uk/conditions/pregnancy-and-baby/vitamins-mi...