If the evidence supporting the option of delayed marriage is so strong, why has a letter urging women to choose a partner early garnered so much attention?

CNN: Women, don't marry young

Supporting past evidence, a new study finds a strong link between the age of the parents (especially the father) and the number of genetic mutations in the child.

FORBES: Parental Age, Especially The Father's, Is Linked To Genetic Mutations In The Child

This is an intensive programme based on strong evidence that helping parents form strong attachments to their children in the very early days and supporting them through the stresses and strains of family life can significantly improve the life chances of children.

BBC: Creating the super-nanny state