hygiene in pregnancy

例句：

1. 1. The importance of hygienein pregnancy cannot be overstated.
   孕妇的卫生重要性不容忽视。
2. 2. The government has implementedstrict hygiene measures to prevent the spread ofdisease.
   政府已经实施严格的卫生措施来防止疾病的传播。
3. 3. Hygiene experts recommendwashing hands frequently and using hand sanitizer when necessary.
   卫生专家建议经常洗手，并在必要时使用手部消毒剂。