Now Eli’s daughter-in-law, the wife of Phinehas, was pregnant and about to give birth. When she heard the news of the capture of God’s ark and the deaths of her father-in-law and her husband, she collapsed and gave birth, for her labor pains overtook her.
We have here another melancholy story, that carries on the desolations of Eli's house, and the sorrowful feeling which the tidings of the ark's captivity excited. It is concerning the wife of Phinehas, one of those ungracious sons of Eli that had brought all this mischief on Israel.
Commenting on 1 Samuel 4:19-22
And his daughter in law, Phinehas's wife, was with child, near to be delivered,.... Was near her time, as it is commonly expressed. Ben Gersom derives the word from a root which signifies to complete and finish (k); denoting that her time to bring forth was completed and filled up; though Josephus (l) says that it was a seven months' birth, so that she came...
And his daughter in law, Phinehas' wife, was with child, [near] to be delivered: and when she heard the tidings that the ark of God was taken, and that her father in law and her husband were dead, she bowed herself and travailed; for her pains came upon her. (i) And positioned her body for her labour and delivery.