DS2 hasn't pooped since last Wednesday (6 days!) so I'm going to puree some prunes for him.
I guess there's no point to this post except that I know it works because I did the same with DS1. If you've got the same problem you can just stew them in a little water on the stove and then buzz with the hand puree-er.
Hope he poops soon, all this grunting and straining is awful!
Re: Prunes & constipation