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Hey there... so i have a Q about Luteal phase.. my LP is usually 11 days... This past month i got cross hairs on CD 12 when i normally get it on CD 13.. I did start O cramping that evening.. but i also had them all day on CD 13.. so anyways.. i am pretty sure i Oed on CD 13 even though my temps indicate that i Oed on 12..
So since my LP is usually 11 days i was thinking if i started yesterday then i would agree that I Oed on CD 12.. But i havent started yet.. i am expecting to start this evening.. (i normally start in the evening)
So assuming i do start tonight.. wouldnt that kinda prove that i Oed on CD 13? Isnt it your LP that doesnt normally change.. just the day of your ovulation right??
~Em, Married to Matt since 7/3/04. Mommy to Layla 3/29/06, Eva 10/18/08, Zeke 2/4/11, and Jonah 7/28/13
Well, first of all cramping related to ovulation can't tell you the exact day. In fact, charting doesn't tell us the exact day either - just a very close estimate, give or take 2 days. O cramping can occur several days prior to O from the ovaries being stimulated, during O itself, or for a few days after O from the fallopian tubes contracting to propel the egg towards the uterus. There's no way to tell the exact source of the cramping is, which is why pain can be used to confirm the other signs - but not to trump the other signs.
The LP generally remains consistent, yes. But it can fluctuate by a day or two, that's ok. The LP can also be used to confirm the other signs, but not to trump them because it can vary a bit (or even by a lot every once in awhile if something went haywire with ovulation).
The most accurate way to pinpoint ovulation is to identify the mucus Peak, and then use your temps to back that up. Peak is the last day you feel slippery mucus before it changes to feeling much drier. Ovulation generally occurs on Peak day, the day after, or 2 days after. Whether you would mark CD12 or CD13 as O depends on when your CM Peak was.