Clothes smaller after pregnancy?

Ok, this is weird. I know our hips get a little wider to make room for the baby.

But I was clearing out the basement and tried on an old pea coat that I haven’t used in years. It’s too small! On the shoulders!

The sleeves seem like half an inch short, and the top of the sleeve isn’t at the edge of my shoulder. I put on some weight, but this seems weird.

Random question that all. I loved that coat. -sigh-