After 18 months.... trying not to get too excited

Hubby and i have been trying for 18 months. 3 days before AF was supposed to be here i took an OPK and it was blazing positive. The next day took 3 First response and they came up positive. Took one every day after up until Doom

Day... doom day never came. 👏🏻👏🏻. The lines keep getting darker! We are trying not to get too excited since we know this is such a fragile state. Dr apt is 12/18. Praying for a sticky baby! Happy baby dust to all!