diarrhea associated with menstruation

例句：

1. 1.She was suffering from diarrhea and had to stay home for a week.
   她患了腹泻，不得不在家休息一周。
2. 2.The child had a severe case of diarrhea that required immediate medical attention.
   这个孩子得了严重的腹泻病，需要立即就医。
3. 3. It's important to keep hydrated and avoid foods that can cause diarrhea.
   保持水分充足并避免可能导致腹泻的食物是很重要的。