Thay băng vệ sinh thường xuyên. Tắm thường xuyên. Theo dõi các chu kỳ kinh nguyệt Nhờ giúp đỡ.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
On average, you probably need to use three to six pads or tampons per day. For heavier flow (the first few days of your period) and at night, use longer, heavier pads with wings (side protectors) to prevent spilling. Change your pad or tampon every four to eight hours, depending on your flow. Never wear a tampon for more than eight hours because of the risk of toxic shock syndrome (TSS).  Don't be embarrassed if you accidentally bleed into your underwear or on your sheets. This happens to most w