I'm now 12 days late and still get negative tests. On Wednesday I felt a tiny bit itchy below but there was nothing there to say it was a yeast infection. Yesterday morning I took a shower and there was yeast. I took a test again and it was negative so I started Monostat last night. I've heard it could be an early sign of pregnancy. Did anyone else get a Y.I before a positive test? I believe I caught the infection early so I should be good soon. Can a yeast infection give false negatives?