Positive OPK Same Day as Thermal Shift??

[Gemini529]

I'm confused!  I had a positive opk yesterday around noon and again around 5 pm.  I also had my temp spike yesterday.  Everything I've read seems to say that once you have your thermal shift, that means you *already* ovulated.  DH and I have been working opposite shifts and only had a chance to BD last night(not at all the few days before) so does that mean I missed it?  

The opk test says that once you get a positive that means you *will* ovulate in the next few days, so which one do you think is more accurate?  Temps or OPK?  

FWIW, I took another OPK today and it was lighter than yesterday (negative).

[bcblondie]

Did you test the day before? Maybe it was already pos the day before.

If not, my guess is there was a delay in the LH getting to the urine and you've already o'd. Unless you think today's temp might be wrong.

[ValH]

Gemini - Not sure what's going on the with OPKs (except maybe you caught the very end of the surge?), but I have read that the egg can survive 12-24 hours after O.  So, if you did BD on the day of O, there's still a chance one of the quick-swimming sperms made it to the egg before the deadline. 

Good luck, and lots of baby dust to you! 

[Gemini529]

I didn't test the day before but i tested kind of late the NIGHT before that and it was not even close to being positive.  So it figures the one day I didn't test was probably the right one.  I actually haven't even gotten my period back because I'm still nursing but I had some other signs that pointed to me possibly ovulating soon so I started to use the opks.  I guess we'll see!  Thanks for the replies.  It is possible that my temps are not perfect because sometimes it's colder than others in our house and that could affect it.  I have just never seen my temp as high as it was and I take my temp randomly throughout the day just out of curiosity.

[Gemini529]

Originally Posted by ValH 

Gemini - Not sure what's going on the with OPKs (except maybe you caught the very end of the surge?), but I have read that the egg can survive 12-24 hours after O.  So, if you did BD on the day of O, there's still a chance one of the quick-swimming sperms made it to the egg before the deadline. 

Good luck, and lots of baby dust to you! 

Thanks!  Do you know how quickly the temp spikes after ovulation?  Does it happen as the egg is being released, immediately after or after it's already too late?  Or is this just something noone really knows?  

[bcblondie]

Originally Posted by Gemini529 

Originally Posted by ValH 

Gemini - Not sure what's going on the with OPKs (except maybe you caught the very end of the surge?), but I have read that the egg can survive 12-24 hours after O.  So, if you did BD on the day of O, there's still a chance one of the quick-swimming sperms made it to the egg before the deadline. 

Good luck, and lots of baby dust to you! 

Thanks!  Do you know how quickly the temp spikes after ovulation?  Does it happen as the egg is being released, immediately after or after it's already too late?  Or is this just something noone really knows?  

It depends on the person but most people O 12 to 36 hours after teh pos opk. So you'd get your pos, the next day the temp should still be low, and the day after is usually when it rises. Some people have a really sudden shift to high temps and for others it slowly rises over the course of several days.

What opks detect is LH. Leutenizing hormone. Which surges teh day before O to signal the follicle to break open and release the egg. So if you BD the same day as the pos opk the sperm will have time to swim up and wait for the egg to pop  out. If you BD the day after the pos opk you'll probably still catch the egg. But once your temp rises, it means the follicle has released the egg and has started producing progesterone to make your temp go up. Which theoretically could mean that the egg is still alive when your temp goes up. But usually since sperm takes a while to get down teh tubes, it's too late to BD if your temp is up.

On the chance that today's temp was false or that the sperm could make it still, I'd bd. 

[HulaJenn]

Also, 1 high temp doesn't indicate ovulation. it is 3 high temps. So 1 high temp could just be random temp spike.and you could still be Oing in the next few days so keep DTD until you have those 3 high temps confirmed!

[Gemini529]

OK thanks for the info BCBlondie!  Hopefully it worked but I wasn't expecting it to work out before I got my period back anyway...it would just be nice!  I will let you know in 2 weeks! 

[Gemini529]

Looks like the temps were right and the OPK was wrong...we DTD a day late.  Oh well!  Maybe next cycle!  I just wanted to update in case anyone else read the thread and was in the same situation.  I don't think I'm gong to bother with the OPK's this time. I didn't use them when I conceived DS and that was way less stressful.   

[bcblondie]

Yeah my guess is that the opk was already pos the day before, but in the evening the surge drops a little and picks up again in the mornign. I have that a lot. 2 days of pos but a neg in between, kwim?

Sorry you missed it this month.

[jmh2011]

Hi,

I just had a similar experience and still trying to figure out what is going on!  This is my first month charting BBT and using OPK.  So here's what happened:  On Thursday I tested in the am and the pm and had an opk that was "close" just not quite there- I figured it was negative but my DH said he thought it looked positive.  So again, on Friday morning I tested again and got a similar "kinda" line.  (I still counted this as neg even though DH said he thought it looked pos.)

SO we didn't BD on Friday but when I woke up on Sat my temp was up to 98.59 (had been 97.7 range) I quickly woke him up and said "there may still be time!" I just figured he had been right about the "faint" positives on thrs/fri.    BUT later on Sat I took another OPK just because and it was TRULY positive (like, no doubt)  so I even took it again later that evening and still truly positive.  

I was thinking that my temp spike on Sat might have been a fluke and I would actually be O'ing on Sunday (per the positive OPK on Sat)  but this morning (sun)  my temp was still up (98.06)  which is quite a bit lower than yesterday, but still much higher than it had been the rest of the week.  

Anyone have an idea of what is happening??   It seems that the day my OPK was most positive was also the day my temp spiked (and has stayed up for 2 days now)

[Stevi]

After the temp spike, is not too late. Back in the days before OPKs, women used their temperature to know when to BD. They obviuosly watched for the temp spike!

And sperm can take as little as 15 minutes to reach the Fallopian tubes.

So, add all of that to the potential lifetime of the egg, which some put at as much as 48 hours, and you definitely have a shot!

Granted, your chances aren't as high as they would be if you had BD'd for the 3 days leading up to the temp spike, but there is still a chance.