Bringing forth (Genesis 18:13) signifies that the rational should be made divine.

In Micah 4:10, bringing forth signifies the difficulty in the establishment of the church and the reformation of the people. (Apocalypse Explained 721[12])

(参照: Arcana Coelestia 2208)

2208. 'Shall I really, in truth, bear a child' means its amazement that the rational was to become Divine. This is clear from the meaning of 'bearing' here in the internal sense, namely this: Since the Lord's Divine Rational is represented by 'Isaac', as stated already and as will be evident from what follows, so 'bearing' here means Isaac, that is, the Rational in that it was to become Divine, which rational truth, represented by 'Sarah', was not able to comprehend.