Should I start feeding my dog larger portions? (See details)

The last time my dog was at the vet he put her on a diet.

I suspect that she was never actually overweight, but at the time she was experiencing a false pregnancy. She was a healthy weight before the false pregnancy, and then immediately after it ended she went back to looking the way she had before. She had every symptom imaginable… all the way down to lactating. She was spayed at the time that it happened, so there is no way that she was actually pregnant. I swear I suspect that she was just bloated!

I have kept feeding her the amount of food that the vet recommended to be best for her, and since we don’t free feed any of our pets it is very consistent.

She looks pretty normal most of the time, a healthy weight, but after she goes potty in the morning she looks awfully skinny. There are random days when she just looks a bit too skinny, as well. She doesn’t have worms, and she is a healthy, young dog. I just can’t help but wonder if taking a poop makes her look skinny… if perhaps she should be eating a bit more.

I don’t feel like this is something that requires a vet visit, but I’m wondering if any jellies have had a similar experience with a dog. Should I just give her a bit more food every day and see if it makes a difference? I hate to think that she is not getting enough to eat.