NET
18 For the Lord had caused infertility to strike every woman in the household of Abimelech because he took Sarah, Abraham’s wife.
Darby
18 For Jehovah had fast closed up all the wombs of the house of Abimelech because of Sarah Abraham's wife.
KJV
18 For the LORD had fast closed up all the wombs of the house of Abimelech, because of Sarah Abraham's wife.