Hi my name is Natasha. We just recently collected some newborn kittens and we now have one left and it is having the same symptoms as the last kitten that just passed today it seems to be constipated and is having trouble making a movement just a little drop comes out but it cries when I try to stimulate it, I heard that canned pumpkin works but i'm unsure since the kitten is a week old today if it would be safe to feed the kitten that. I was feeding them already prepared milk replacer and a few days I switched to powdered milk replacer and I am not sure if that would be the cause, if I should give it already prepared milk replacer again. I already have a can of already prepared milk replacer just in case but I am afraid It might be to late. The kittens meow seems really weak and it is really lazy. Please help me.