Fathers do not want to answer their children's questions about sex, with 95 per cent of parents saying that it is mothers who take on that role, new research claims.
Out of a random sample of parents, most would wish their child to be taught about sex from the age of 10, according to Mums Show Live!, an exhibition targeted at parents with children aged four to 12.
One in five parents would prefer a teacher to explain sex to their children and only one in 10 say that fathers would handle the responsibility well.
The survey also suggests that parents did not get much guidance when they were children. More than a third learnt about sex from their friends and only two per cent say they learnt about it from their father.
Jason Franks, chief executive of Mums Show Live!, said: "Attitudes towards sex education have certainly changed throughout the generations.