She treats her young harshly, as if they were not hers; she cares not that her labor was in vain
NIV
She is hardened against her young ones, as though they were not hers; her labor is in vain because she has no sense of danger [for her unborn brood]AMP
She is hardened against her young ones, as though they were not her's: her labour is in vain without fear;
KJV