When a woman contracts German measles(rubella) during pregnancy, the virus can be passed on to her developing baby through her bloodstream. This is called congenital rubella syndrome. Congenital rubella syndrome is a serious health concern, as it can cause miscarriages and stillbirths. It can also cause birth defects in babies who are carried to term, including: delayed growth intellectual disabilities heart defects deafness poorly functioning organs Pregnant women may be treated with antibodies called hyperimmune globulin that can fight off the virus. This can help reduce your symptoms. However, there’s still a chance that your baby will develop congenital rubella syndrome. Babies who are born with congenital rubella will require treatment from a team of specialists