hello doctor, my baby will be 6 months old on coming sunday. I have low breast milk supply. my baby doesnt breastfeed so i pump and give him my milk. some days, menstruation make milk supply low. i gave him once nan pro at night but in morni g when i was giving my baby breast milk through spoon, he vomited all the formula. now can i start solids or if yes, what should i give? he vomits my breast milk( whole quantity) also once a week. which formula is better for him if i want to give him on e a day?