hi, had my 3rd ceasearean last may, so scar is 10 months old, have also has previous traumatic naturel delivery 14 years ago with 3rd degree tear, recently have started buggyfit exercise class and instructor said tummy muscles were 3 fingers apart so wont let me do sit ups or run. Also am getting tenderness in right had side of scar and have found a pea sized ,sore if you press it lump uder the skin on scar, my gp prescribed anti bi otics for it which i am taking, but not really thinking it is an infection, any ideas what else it could be?