Gregory the Dialogist

ALLEGORICAL INTERPRETATION. Because it shut not up the doors of my mother's womb, nor hid sorrow from mine eyes. What the womb of his mother is to each individual man, that the primary abode in Paradise became to the whole human race. For from it came forth the family of man as it were from the womb, and tending to the increase of the race, as if to the growth of the body, it issued forth without. …

Morals on the Book of Job, Book IV ↗

Thomas Aquinas

But since what he had said seemed impossible, namely, for day and dawn not to succeed night, he shows how his words should be interpreted saying, "because it did not shut the doors of my mother's womb." For the life of man is a hidden life in the womb of his mother, and so is compared to the darkness of night. However, when one appears in the open in birth, then it is like bright day. …

Commentary on Job ↗