But the woman conceived, and she bore a son about that time the following spring, as Elisha had said to her.
The giving of a son to such as were old, and had been long childless, was an ancient instance of the divine power and favour, in the case of Abraham, and Isaac, and Manoah, and Elkanah; we find it here among the wonders wrought by Elisha.
Commenting on 2 Kings 4:8-17
And the woman conceived, and bare a son at the season that Elisha said unto her,.... Quickly after this she conceived, and became pregnant, and by that time the year came round, she was brought to bed of a son: according to the time of life: when she had gone her full time to have a son born alive, and live.
2Ki 4:17 But however incredible this promise might appear to her, as it had formerly done to Sarah (Gen 18:12-13), it was fulfilled at the appointed time (cf. Gen 21:2).