Anonymous wrote:Walmart. Seriously. I received some as a gift and it was one of the few brands I had that fit my DD. She was 18 lbs at 4mo like your daughter. Now at age 4 she is 30th percentile for weight, so I wouldn't worry about the weight being s long term issue.
I could have written this. Try Walmart, it's just baby clothes anyway, who cares how well they're made. My daughter was a chunk but is now 7 and is very tall and lean. I'm not tall but my husband is, so she must have gotten it from him.