Here "she" refers to women in general. Possible meanings are 1) God will keep women physically safe as they give birth to children, or 2) God will save women from their sins through their role as child bearers.
This can be stated in active form. Alternate translation: "God will save her" or "God will save women" (See: [[rc://en/ta/man/jit/figs-activepassive]])
The abstract nouns here can be translated with verbal phrases. Alternate translation: "in trusting Jesus and loving others and living a holy life" (See: [[rc://en/ta/man/jit/figs-abstractnouns]])
If the idiom is retained in translation, the abstract noun "soundness" can be translated with an adjective. Alternate translation: "a sound mind" (See: [[rc://en/ta/man/jit/figs-abstractnouns]])