Following are a number of back-translations of Ruth 4:13:

• Noongar: «So, Boaz took Ruth and Ruth became his wife. They lay together and God blessed Ruth. She became pregnant and bore their son.» (Source: Bardip Ruth-Ang 2020)
• Eastern Bru: «Then Boaz took Ruth to be his wife. They lived together. And God gave Ruth a son.» (Source: Bru Back Translation)
• Hiligaynon: «So Boaz married Ruth, and the LORD willed that Ruth became-pregnant. Some time-later Ruth gave-birth to a son.» (Source: Hiligaynon Back Translation)
• English: «So Boaz took Ruth home, and she became his wife. He slept with/had sexual relations with her and Yahweh enabled her to become pregnant, and she gave birth to a son.» (Source: Translation for Translators)