Baby vomiting right after C section

Kritika

My 2 week old baby is vomiting all the feed right after a breastfeeding session. This is happening since last two three days and now I am getting so worried. She is already having mild Jaundice and on top when I feed her, till the time I just cover my boob and pick her for burp, she throws down all the milk. Can someone please suggest what should I do?