Abstract: The notion of network refers to a system consisting of nodes and the links between them. A social network may be distinguished from, say, computer networks by the fact that the nodes of the network are social actors. Often the nodes are individual persons, but in principle they could also be groups of people, cities, states, social organizations, and so on.1KeywordsSocial CapitalSocial Network AnalysisNetwork MemberMaternity LeavePersonal NetworkThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.