The commonly accepted explanation for son preference is that sons in rural families may be more helpful in framework. Both rural and urban populations have economic and traditional incentives to prefer sons over daughters. Sons are preferred as they provide the primary financial support to the parents. A women changes her surname to her husband’s surname after marriage. For some families one’s daughter-in-law’s name instead of a daughter’s name would he added in the hook of family tree.
Therefore, if a family had no son, the fortune and name of the family would have no legal heirs. The choice of small families also affects the people’s views on the sex of their child.