By Susie Beever The Prince and Princess of Wales buck the royal trend when it comes to parenting, claims an expert. With Kate recovering in hospital after undergoing abdominal surgery, Prince William has had double the parental duties on his hands. Despite having a royal nanny in Maria Teresa Turrion Borrallo, William has been seen on the school run and has reportedly been regularly tending to Kate in hospital. According to royal expert and author Robert Hardman, “they are a modern royal couple” and are keen to make sure their three children have as close to a normal upbringing as possible. “T…