Ds is 3.9 and was late to potty train but has been completely clean and dry for over 6 months. But this week he's pooed in his night time nappy while asleep 3 times. He has been constipated but we've upped his cereal, dried fruit and juice intake (he won't eat fresh fruit or veg) and I'm trying to make him drink more water. Any other ideas as really don't want to go backwards.