Hi everyone. I'm new to the site and this is also my first post.
DH and I have been ttc since 5/2012 and this is my first month using the CBFM. I had kind of a strange cycle with it. Cd1 was 1/11 and I never got any high days. It went from low to peak on cd13 and i was wondering if it was bc i had been using my left over test sticks from my CB digital (smiley face) tester. I ordered my CBFM test sticks online and they didn't arrive in time, but the very first one i used sent the monitor to peak. Anyone ever had this before? I usually O between cd13 and cd15 anyway, but I was worried that the smiley face sticks wouldn't detect estrogen and throw off my whole first cycle with the CBFM.