My son is 5 days old and was born on 18th dec. After 2 hours of birth his body was changing colour to blue. Doctor checked and admit him in nicu on oxygen. He is on oxygen and with oxygen spo2 level is 98 but without oxygen his spo2 level is in 70 line. Doctor checked xray and saying it is good. Doctor checked sodium
calcium potassium which was little off balance and after medication it is ok now. Please advise.