"We'll look at what stage they are in life, what propensity they have to give, what attitudes they have to giving, whether they have an affiliation with a particular cause - whether that's children or international work or emergencies, " she says.
But individual choices have broader consequences, and a society in which young women routinely freeze their eggs could develop very different attitudes about children and the arc of a human life.
In reaching its recommendations, the panel agreed attitudes towards the amount of accountability and openness expected in public life had changed dramatically since the 1960s.
This and social attitudes towards men's health mean that men have a lower life expectancy, a higher suicide rate and a higher death rate from cancer than women, the Men's Health Forum said.