@Sophie thank you I know it logically but it's been so horrible seeing it go back 10 steps!!
If u do it in a big change, it will take a bit for the bellies to get use to it and it will be quite drastic on there stomach but u gotta do what you gotta do. It'll take about a week or 2 for them to adjust but hopefully they'll be better soon x
Changing straight over should do no harm to your baby. The quicker the new milk is in baby the better. Don’t worry give it a few days to get into your babies system