Opk still positive

Ok here we go again this month this is a new batch of opk's and the first one was only one line later that night i took another one and got this I'm 12 dpo cd 30 took hcg BFN then my morning temps been in the 98's please anyone any insights or comments yea i know the test line and control line but this is how they pop up for me test line only get a lil darker around the 17th last month tested opk for almost 2 weeks and all positive wth