TNF and rheumatoid arthritis: The "Treatment guidelines for female patients with systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), juvenile idiopathic arthritis (JIA), and inflammatory bowel disease (IBD) during pregnancy and childbirth" also reports that, although anti-TNFα antibody preparations can be used throughout pregnancy if used up until the end of pregnancy, there is a risk of influence on the baby due to placental transfer.