Genesis 20:18

18 for the LORD had kept all the women in Abimelek’s household from conceiving because of Abraham’s wife Sarah.

Read Genesis 20:18 Using Other Translations

For the LORD had fast closed up all the wombs of the house of Abimelech, because of Sarah Abraham's wife.
For the LORD had closed all the wombs of the house of Abimelech because of Sarah, Abraham's wife.
For the LORD had caused all the women to be infertile because of what happened with Abraham’s wife, Sarah.