Before starting XELJANZ/XELJANZ XR, be sure to talk with your healthcare provider if you are pregnant or plan to become pregnant. It is not known if XELJANZ/XELJANZ XR will harm an unborn baby. You should use effective birth control while you are taking XELJANZ/XELJANZ XR and for at least 4 weeks after you take your last dose.
Pregnancy Registry: Pfizer has a registry for pregnant women who take XELJANZ/XELJANZ XR. The purpose of this registry is to check the health of the pregnant mother and her baby. If you are pregnant or become pregnant while taking XELJANZ/XELJANZ XR, talk to your healthcare provider about how you can join this pregnancy registry or you may contact the registry at 1-877-311-8972 to enroll.
For more information, see Safety & Side Effects.