Andrés de LimaLuis C. FrancoAndrés SarmientoJohn Mario González2026-03-222026-03-22201610.1080/14767058.2016.1260116https://doi.org/10.1080/14767058.2016.1260116https://andeanlibrary.org/handle/123456789/54757Citaciones: 3IgG and IgM complexes seem to be normally present on umbilical cord erythrocytes. Erythrocytes from vaginal deliveries have a higher percentage of IgG complexes present compared to that from cesarean deliveries. Since no C3d activity was detected, these complexes are non-pathological and should be part of the newborn's initial innate immune response.enUmbilical cordCord bloodAntibodyImmune systemAndrologyVaginal deliveryMedicineImmunoglobulin GImmunologyComplement systemarticle