I had a super dark opk 9 days ago, not quiet positive bit as dark as it could be without being positive. I figured I just missed the positive and caught the surge on its way down because my tests kept getting lighter. For the last three days ive cramping like AF is about to arrive and having brown spotting (TMI but only on toilet paper when I wipe, never on underwear). I took another opk tonight and its super dark again so I'm confused. HPT was negative so I have no idea what's happening. Anyone have similar experiences? I'm still breastfeeding my 18 month old so maybe that is messing with things? My periods have been relatively predictable since my miscarriage in September though so I'm hoping I might be pregnant and it's too early??