Congrats on your new baby
Mine range from 3pds to 8pds, I deff see the diffrence in my small guy, I worry mainly about his bones, he is skinny but the vet assures me he is healthy ~ His bones seem so fragil compared to my others who are over 5 pds, I also lost a baby to ls who weighed 1.7 pds and that is tiny !! so i can see your concerns, This is a very interesting thread
Wishing the best with your new addition