<<Disclaimer: Verify this information before applying it to your situation.>> Hi, sorry it's taken so long to summarize. Thanks to all those who responded. I have saved your replies and will show them to the doctor. 33 people said that they had canker sores and gas related to CD 2 said their Igg was borderline, negative biopsy but went GF anyhow and improved. 3 IgG positive and biopsy negative 2 said that IgG is not specific to celiac 7 said that they had only IgG positive and biopsy was positive many said to go for further testing, biopsy or get the stool test. Thanks everyone! Caroline