Hi, my baby has rsv we have been in hospital for 6 day and now out doing hospital on the home whenre my baby is checked 2 times during the day, she is 3 months old. She was born 6 weeks early and currenty weighs 5kg. She is still on o2 and everyday they are dropping it. They check her saturation whike here, but whatn are the thing I need to look for to make sure her o2 sats arnt too low? Thanks