Study Population 207 mothers v In northern Sweden C-section v Delivered a healthy baby selection in the previous 3 months Vaginally delivered √ Accpet the study 26 Mode of delivery ● body weight&| length Data ○ Antibiotics O Other possible confoundersStudy Population Data Mode of delivery Antibiotics Body weight & length Other possible confounders 01 207 mothers In Northern Sweden Delivered a healthy baby in the previous 3 months Accpet the study selection C-section Vaginally delivered 41 26 11