Should I see a doctor?

Jasmine

So I started a progesterone pill(cerazette) in February and I ended up having a period for almost three months. Then I contacted my gp and I was given noriday which is also a progesterone pill. I was told to try it for three months and if I’m still having issues to contact them. However I’ve been on this pill for about a month and my period shows no sign of stopping. Should I wait the three months or should I contact my doctor now?