Genesis 20:18

18 The Lord had kept all the women in Abimelech's house from having children as a punishment on Abimelech for taking Abraham's wife Sarah.

Genesis 20:18 Meaning and Commentary

Genesis 20:18

For the Lord had fast closed up all the wombs of the house of
Abimelech
With large tumours probably, so that they could not cohabit with their husbands and conceive; nor could those that had conceived bring forth: and this disorder they were smitten with, because of Sarah Abraham's wife;
who was taken into the house of Abimelech, in order to be his; to rebuke and punish for which, and to convince of the evil of it, and cause to abstain from it, this disorder was inflicted on them.

Genesis 20:18 In-Context

16 Abimelech said to Sarah, "I gave your brother Abraham twenty-five pounds of silver to make up for any wrong that people may think about you. I want everyone to know that you are innocent."

17 Then Abraham prayed to God, and God healed Abimelech, his wife, and his servant girls so they could have children.

18 The Lord had kept all the women in Abimelech's house from having children as a punishment on Abimelech for taking Abraham's wife Sarah.