en_tn/gen/25/21.md

she was childless

"she was unable to become pregnant"

Rebekah his wife conceived

It can be made explicit that Rebekah was pregnant with two babies at the same time: "Rebekah, his wife, became pregnant with twins." (See: rc://en/ta/man/translate/figs-explicit)

The children struggled together within her

Alternate translationS: "the babies inside her kept bumping against each other" or "The babies fought within her"

She went to ask Yahweh about this

Verse 23 gives Yahweh's answer. Alternate translation: "She went and asked Yahweh about this."