Jamieson, Fausset and Brown on 2 Kings 4:13-16

13-16. what is to be done for thee?--Wishing to testify his gratitude for the hospitable attentions of this family, he announced to her the birth of a son "about this time next year." The interest and importance of such an intelligence can only be estimated by considering that Oriental women, and Jewish in particular, connect ideas of disgrace with barrenness, and cherish a more ardent desire for children than women in any other part of the world (Ge 18:10-15).

2Ki 4:18-37. Raises Her Dead Son.