A survey of 2,000 mothers of children aged 12-18 months by the National Centre for Social Research, presented at a conference on Tuesday, found that single mothers, low-paid mothers or those working for companies without trade union recognition were much less likely than other mothers to have access to part-time work, job sharing, flexible working hours and home working. The report said, 'A substantial proportion of these mothers did not seem to have access even to arrangements...