As suggested by previous research, childlessness can thoroughly affect
the likelihood of giving and receiving help to kin, even in modern societies.
In this paper we show that childless women over thirty-five have had more recent
contact with their nephews/nieces than mothers. Yet, both groups showed no
significant differences in contact with their uncles/aunts. This suggests
heightened social investment in kin with high reproductive value by childless
women compared to mothers. Results are discussed with reference to kin