What overall effect does Bradstreet achieve in "The Author to Her Book" through her use of hyperbole and metaphor?

Bradstreet compares her book to a child she has sent out into the world, using the metaphor to show a personal bond with her writing. Her exaggerated concern over the book’s flaws emphasizes how deeply she cares about it and wants it to be received well. The effect is to convey care for her writing, not love for a literal child or dislike of writing.

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