When a woman is in labour, she has pain because her time has come. But when she has given birth to a child, she no longer remembers the suffering because of the joy that a person has been born into the world.
Eli’s daughter-in-law, the wife of Phinehas, was pregnant and about to give birth. When she heard the news about the capture of God’s ark and the deaths of her father-in-law and her husband, she collapsed and gave birth because her labour pains came on her.