Worried about weight loss

I weighed myself this morning and I’ve lost another half pound. I’m 16 weeks and down a few pounds since I got pregnant. I haven’t had a huge appetite, but I am eating as much as I was pre-pregnancy. I might be moderately more active, but not by much.

My clothes are a lot tighter in the mid-section, so I am hoping I am just redistributing weight.

I raised this with my OB and she is not concerned, but I can’t help but worry that this little one isn’t growing enough.

Anyone else in a similar boat? How are you dealing with it?