I had really bad let down nausea when DS was a baby. I couldn't feel let-down physically but I knew when it was happening because I wanted to hurl. I couldn't even talk about food while I was feeding him because it made me feel sicker.

To answer your question, I can't remember lol! I think it was worse for the first few months and then tapered off. I never could eat while feeding him though. I only had it mildly with DD, a yuck feeling but not the 'pass me a sick bowl' urge.

As much as it sucks, glad someone else has the same thing - I haven't heard of anyone else feeling that way and I thought maybe I was just a freak!