Is this normal?

I use these pads each day and night for my period, and have to switch it every three-four hours, or I’ll leak onto my pants. They are very large. Do you think that this is concerning, or do I have an extra heavy flow? Too heavy ? Thanks in advance! :)

I use these pads each day and night for my period, and have to switch it every three-four hours, or I’ll leak onto my pants. They are very large. Do you think that this is concerning, or do I have an extra heavy flow? Too heavy ? Thanks in advance! :)