Alhamdulillah I've give my 3 children rights to be breastfed on their firstlife. And I gave them for longterm breastfeeding, until their 3 years. Actually in Islam we already know from the Qur'an the benefit of breastmilk.
“The mothers shall give suck to their children for two whole years, (that is) for those (parents) who desire to complete the term of suckling” (al-Baqarah : 233)
So Allah has stated the child’s right to be breastfed.
Fourteen hundred years after this verse was revealed, international organizations such as the World Health Organization (WHO) have issued statement after statement calling on mothers to breastfeed their children, whereas Islam enjoined that fourteen centuries ago.
The benefits of breastfeeding for the child :