It‘s a common side effect and may happen due to the heightened levels of estrogen. Medically speaking is pausing your BC not necessary. The 7-day pause has been implemented to a) give the feeling of still having a working, normal cycle and b) to allow women in very religious relationships/families to use BC without anyone knowing.
You can try either another brand with another hormone or dosage or what >>108609
said. Although even with progesterone only options it may happen that you bleed either every two weeks or constantly. Or not at all! It’s really impossible to predict.
Also, if you do go for an option that has no estrogen, you should supplement vitamin D as a long-term use can drastically increase the risk of osteoporosis.
I don’t know if you want to have children, but maybe an endometrial ablation would be an option for you?