Continuity of care in the early years of life has been seen as an essential component of good quality childcare. There has been a growing unease in the early childhood field, however, about the threat to continuity of care for young children posed by children's experience of many caregivers during their first three years. In particular, the phenomenon of multiple child care arrangements per week and changeable child care more than one regular care arrangement per week and changeable child care shifts over time in care arrangements are seen as increasing problems. It is helpful, however, to summarize the existing indications of risk that have been associated with multiple and changeable care. Some research indicates that multiple childcare arrangements may also he associated with problem outcomes for children. For example, studies have found that multiple and changeable childcare is associated with lower intelligence scores, poorer social relationships and more insecure attachment with mothers.