Table 1.

The food and drug administration classification of teratogenic drugs.

Category	Human Fetus Risk	Drugs
A	No fetal risk
B	No risk of human fetus. Possible animal risk but human studies lacking.	Infliximab, Adalimumab, Golimumab, Certolizumab, Etanercept
C	Human risk cannot be ruled out	Glucocorticoids, Cyclosporine, Tacrolimus, Azathioprine, Sirolimus, Everolimus, Rituximab, Eculizumab, Belimumab, Hydroxychloroquine
D	Evidence of risk to human fetus	Mycophenolate, Cyclophos phamide, Chlorambucil, Bortezomib, Tyosine-kinase inhibitors
X	Contraindication in pregnancy	Leflunomide, Methotrexate