By Joseph Wilkes & Zahna Eklund When you attend a baby swim class, the last thing you expect is to be body-shamed. That’s exactly what happened to one mum, however, who was left baffled when another woman approached her and told her to “dress more modestly” after she was spotted chatting to the woman’s husband. The mum was wearing a high-waisted two-piece bikini from Amazon, which left just three inches of her stomach exposed, so she was stunned when the woman approached her. And to make matters worse, her pal did not back her up. The woman was at a baby swim class where, she explained, she is…