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lh can remain in the system for several days, it is only the initial surge that matters for the egg release. sounds all normal to me. good luck!

It's actually very normal to have surges in the middle and/or at the end of ur luteal phase, I did it every cycle. Don't worry too much about it, ur hormones aren't out of whack.
Good luck! =))

so glad reading the replies to this am ovulate cd 21-22

1dpo and i have a dark opk this would explain alot slightly elevated lh still xx

Thanks ladies, 4 dpo got another one - now I'll just keep testing because I'm intrigued and confused. I'll keep you guys posted, though I usually don't plan to start hpt's until 12dpo unless I have implantation symptoms early.