They will often return to breastfeeding after a couple of days when the mature milk comes back in. (milkworks.org)
If you are thinking of switching from breastfeeding to formula, it is important you know that it can be difficult to return to breastfeeding once you have stopped. (cindyandjana.com)
Did you know that it is possible to return to breastfeeding after you've stopped, in some situations? (abckidsinc.com)