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i'd say in my last 5 cycles, i was about 3 - 7 days "late" for the first 3. i was on regular 28 days [which i loved because i only had to count 4 fridays down ] for about 2 years. i say "late" because i kind of suspect that my cycles were changing. my 3rd cycle started, and it counts exactly 30 days to the next one. after my 4th cycle, it counted exactly 30 days again.

my 6th cycle [from when they started being off] is due today. but i'm worried, if my schedule was changing, could it still have had different timing this time? i wiped and had the slightest brown tinge in my CM. and it only happened when once. never happens, AF usually comes storming full on. is it possible i ovulated late and miscalculated my days?