Jaundice bby

My bby came up positive for jaundice when i had her . At the hospital they checked her twice the first time it was high ; i forgot how high . But the second time they checked she was 7.2 and the RN’s told me that its going down . Before leaving the hospital that doctor checked her one last time and told me that it will go away on its own . So they told me to take her to see a pediatrician when i get out the hospital ; i got out sunday and went on monday so they can check her. I gave the pediatrician the documents they gave me at the hospital , she reviewed them and checked my baby girl , and she told me that it will go away on its own , she then asked me if i breastfeed of give her formula and i said both, so shhe sugested that i give her more formula because it will make it go away faster and to just continue feeding her . And i asked about her eyes being slight yellow and she said since im giving her more breastmilk that it will take longer to go away and to also put her in the sunlight.... ?! Im really concerned 😟 i feel so bad !!!!!!! Have any of u had bbys positive with jaundice ?! If so what was your experience?!