Question 1757) - Can the mother not feed him in exchange for payment, just as another woman would be hired to do it?

A: If the nurse is the baby's father's wife or divorcee in ?Iddah who is receiving maintenance then she may not take a fee for feeding her baby; because her maintenance is Wajib upon the father from another aspect. If the divorcee has completed her 'Iddah, she may take a fee for feeding him.

~ al-Quduri ~