Danish registry study shows positive association between maternal autoimmune Dz & childhood cancer. AID assoc w/ all child CA (OR=1.25), ALL (1.52), Burkitts (2.69), CNS tumors (1.45). RA mothers AID had higher risk of all cancers (OR=2.1) https://t.co/EYHyHzOboc https://t.co/FNRrvySI8P