If so, the appropriate thing to have done was to have fixed the breastfeeding, not give water. In retrospect, it is obvious that there was a real problem, but giving the water did not fix it. I am sure that this nurse would protest that she was supportive of breastfeeding because she did not use a bottle, but she isn't. If there is a problem, then the first thing to do is help the baby latch on well. If the supplement was truly necessary, it should have been given by lactation aid, not cup.
Babies learn to breastfeed by breastfeeding.
If the nurse used a cup because she realized the baby was not latching at, and therefore a lactation aid was not in the cards, she should still have attempted to get the baby to latch on well, which, apparently she did not. The baby was moderately jaundiced. The baby was more jaundiced than average, because he was not feeding well. See section on jaundice. The scale is different, so we are not sure of the percent weight loss.