Hi mama, I wouldn't worry about it. Some babies only poop once a week. Ds was a once a week pooper. :LOL
I was so worried the first week it happened that I called the doctor, and he said it was totally normal. It started when my ds was about the same age, right after we started some solids and he was still mostly bf. Their little stomachs start transferring over from one kind of processing to another when they start solids...if that makes sense?
(I know...I did a little too much research.
I gave him prunes, and it just gave him gas.
It was that way for a couple of months and he would be cranky on "poop" days. I also rubbed and massaged his little legs when I changed his diaper, and that always helped a ton. Now he eats three meals a day and poops at least once a day. He poops alot when I am changing his diaper, and I think it is because I used to massage him. :LOL He's all relaxed and programmed! :LOL
Anyway, I hope that helps.
How many times did I type poop?!
ETA: It is better for them to go on their own without the use of prunes, etc. Unless it has been longer than 7 days, or they are obviously having a hard time trying to go.