I have had peak for 7 days now and my modern fertility strips are getting darker

Coffee

So i started out using modern fertility strips as opk. Ran out and had to get cb digital advanced. The digitals have been high fertile for over 7 days and i recently picked up another box of modern fertility. The modern fertility are getting darker. Idk what going on because on the 1st of december i had eggwhite cm and thought i had ovulated. Could this mean Im pregnant????