She'll do it for the babies, a mother's love is sacred
Now you don't ever fail me
This line explains why the woman in this verse is stripping down etc in the previous lines. Everything she does is for the benefit of her child, in the hope that the child succeeds based on her sacrifice.
To help improve the meaning of these lyrics, visit "For The Babies" by Damian "Jr. Gong" Marley and leave a comment on the lyrics box