A viral disease milder than measles, but that can be damaging to the fetus during the first trimester; Also called: rubella.
Or rubella; Mild, communicable virus disease, usually caught by children. It is marked by a sore throat, pinkish rash, and slight fever, and has an incubation period of two to three weeks. If a woman contracts it in the first three months of pregnancy, it may cause serious damage to the unborn child.
For this reason immunization is recommended for girls.