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Old Mar 31st, 2009, 14:12 PM   1
hayley2
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Can you O on same day as LH surge starts?


Hi Ladies!

Was just wondering if anyone new whether you can O on same day as LH surge starts?

Basilcally I have long cycles with no idea of O so started opk testing on CD 10 this cycle and got a pos on Sat afternoon, i had started temping again on Fri morning so the temps on my FF chart before fri are fake - but i'd say fairly accurate going by last month.

Anyway i put in my temp this morning and it has my O day down as sat - i have been getting pos opks since sat afternoon until late last night (48 hours) and even today although my opks are neg again the test line is still very dark, normally it goes back to a ghost line very quickly.

Why is my LH surge being so strange?!


Any thoughts would be appreciated



 
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Old Mar 31st, 2009, 14:17 PM   2
Vestirse
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I usually ovulate the same day I detect my LH surge. This is not abnormal at all!



 
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Old Mar 31st, 2009, 14:20 PM   3
hayley2
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Thanks hun!

Sorry to be a pain - but how long did your surge last? So you O'd on the first day of your surge uummm interesting.



 
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Old Mar 31st, 2009, 14:58 PM   4
Lucy Lu
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I might be wrong Hayley, but if your surge carried on until last night, it's unlikely you ov'd on sat. I would say it happened earlyish today going by the opks.

That temp dip on sat has probably confused FF, but really the temps after that aren't significantly higher than your first few temps (or the pre-ov temps from your last month's chart), so maybe you will start to see a more significant increase over the next couple of days confirming that ov only happened yesterday or today.

Hope this helps x



 
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Old Mar 31st, 2009, 15:35 PM   5
Aria
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The surge triggers ovulation, which usually happens between 12 and 48 hours later.



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Old Mar 31st, 2009, 17:55 PM   6
Vestirse
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Hmm, just checked you chart too. Is this only second first month charting? I would have called your O on Monday actually. I think FF is just jumping the gun. It did the same for me on my first three cycles until it got used to me.



 
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Old Apr 1st, 2009, 01:10 AM   7
loopdido
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I read somewhere (wish I could find that article again!) that it depends how sensitive your ovaries are to the LH surge as to when you ovulate! And apparantly some women with very sensitive ovaries can ovulate with a level of LH which is not strong enough to get a positive on an opk! great... just to add confusion!



 
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Old Apr 1st, 2009, 03:32 AM   8
lou1979
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Well according to my Scan dates, i ov the 1st day i surged!

so yeh i'd say its possible



 
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Old Apr 1st, 2009, 06:36 AM   9
hayley2
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Thanks girls - i think that FF has got it wrong and it was mon too - i've fiddled with my chart and it now says mon as my O day! Hope i'm right xx



 
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Old Apr 1st, 2009, 10:31 AM   10
Xanthe
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Don't forget it can take a while for the surge to be detected in your urine! So, of course, you can ovulate on the same day you get a positive reading - always seems to be the case for me!!!



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