rubella during pregnancy

例句：

1. 1. The mother was diagnosed with rubella during pregnancy.
   这位母亲在怀孕期间被诊断出患有风疹。
2. 2. Rubella is a viral infection that can cause serious health problems in children.
   风疹是一种病毒性感染，可能导致儿童严重的健康问题。
3. 3. During the epidemic, many people were infected with rubella.
   在这次流行病中，许多人感染了风疹。