"Some people simply have no maternal feelings - some are worried about how the world is going, some like to travel, some like to pursue their careers - we're not selfish people."
'Selfish and irresponsible,' are words that 43-year-old Jane, who lives in London, is used to hearing.
In the UK, the most commonly cited statistic is that by 2010, one in four will be either childfree or childless.
'I made the choice early on not to have children. I don't dislike them - I simply decided that I could not devote 100% of my time to someone else,' she says."
And exactly how is that not selfish?