(Not sure if this should go under breastfeeding or supplementing...)

With LO1, it took a few days for my milk to come in and because i didn't supplement with formula, she was jaundiced and dehydrated, and we had to go back to the hospital. I'm determined not to have a repeat of this with LO2.

Any tips/advice as to what i should be doing this time around? Do i still get him to nurse and then give formula? Do i start pumping right away? When i had LO, i really knew nothing about breastfeeding, and only became knowledgeable on pumping and supplementing a few weeks later.