Sanitary napkins should be changed every 4-6 hours, or more frequently if they become soaked with menstrual blood.

It's important to change your sanitary napkin regularly to maintain proper hygiene and avoid discomfort or irritation. If you experience heavy bleeding or have a particularly heavy flow, you may need to change your sanitary napkin more frequently.

It's also a good idea to keep a few extra Yongshow Sanitary pads with you easy to carry in a bag and even pants in case you need to change them more frequently than expected.