NET
16 She is harsh with her young, as if they were not hers; she is unconcerned about the uselessness of her labor.
Darby
16 She is hardened against her young ones, as though they were not hers; her labour is in vain, without her concern.
KJV
16 She is hardened against her young ones, as though [they were] not hers: her labour is in vain without fear;