וַיִּתְפַּלֵּ֥ל אַבְרָהָ֖ם אֶל־הָאֱלֹהִ֑ים וַיִּרְפָּ֨א אֱלֹהִ֜ים אֶת־אֲבִימֶ֧לֶךְ וְאֶת־אִשְׁתּ֛וֹ וְאַמְהֹתָ֖יו וַיֵּלֵֽדוּ׃
And Abraham prayed unto God; and God healed Abimelech, and his wife, and his maid-servants; and they bore children.
Read kabbalistic (mystical) interpretation of Genesis 20:17: and classical mystical sources.