translation: Though you should remove a tampon every 6 to 8 hours at the longest, you may find that you will need to remove your tampon sooner if you're having a heavy flow.
translation: Bạn nên thay tampon sau mỗi 6 đến 8 giờ, tuy nhiên đôi khi bạn cần thay băng sớm hơn nếu kinh nguyệt ra nhiều.