When Tanya, then pregnant, and her mother Diane, had lunch together in a cafe near their home in south Wales, they did not expect the waiter to tell them what they could eat.
But according to Tanya, he acted "like the kind of food police".
"He said 'The only things you can have are, um, cheese and pickle'."
Tanya's experience is typical of a generation of mothers who "feel watched and judged", suggests a Cardiff University study.
Diane told the researchers that the waiter was "adamant" that he would not serve them other types of…