Leviticus 18:18-20 Expanded Bible (EXB)
18 “‘While your wife is still living, you must not take her sister as ·another wife [L a rival]. Do not ·have sexual relations with her [L expose/uncover her nakedness].
19 “‘You must not go near a woman to ·have sexual relations with her [L expose/uncover her nakedness] during her monthly period, when she is unclean [C in a ritual sense; 15:19–33].
20 “‘You must not have ·sexual relations [intercourse] with your neighbor’s wife and make yourself unclean with her.
Leviticus 18:18-20 New International Version (NIV)
18 “‘Do not take your wife’s sister as a rival wife and have sexual relations with her while your wife is living.
19 “‘Do not approach a woman to have sexual relations during the uncleanness of her monthly period.
20 “‘Do not have sexual relations with your neighbor’s wife and defile yourself with her.