So I live up in the mountains, in co. I have to take my 5 day old down below to golden tomorrow and…

So I live up in the mountains, in co. I have to take my 5 day old down below to golden tomorrow and Friday. The elevation difference is about 3-4,000 ft. Her blood oxygen levels were fine in the hospital and when we got her back home. Should I be concerned with taking her down? Both days?