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Old 10-06-2012, 09:48 PM   #11
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Re: positive opk after ovulation?

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Originally Posted by NOTWMommy View Post
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That is super helpful. Mine are usually positive for at least 3 days and I was staring to second guess when I was ovulating. So just because the opk is still positive does NOT mean that you haven't yet ovulated, correct?
Correct. Your body has a "surge" of LH around the middle of your cycle. The OPK's register positive when the LH is above a certain amount. The LH is telling your ovary to release the egg that the FSH has been causing it to grow. Once your LH reaches a high enough level to make the test positive, the ovary will USUALLY release an egg in about 24 hours. As the last poster said, the LH surge isn't a guarantee that you will ovulate, your ovary could ignore the message or there might not be a follicle (egg) ready to be released, etc. But most of the time, you do ovulate if you have an LH surge.

I'm a family nurse practitioner, but in 1 week I start my dream job working in a women's health clinic. I love this stuff. We TTC for 2 1/2 years before I finally got preggo with our first (I'm 29 weeks), so I understand the physiology of ovulation, conception, etc. pretty well. It's hard not to obsess and study this stuff when you work in healthcare and are TTC for so long.

The important thing is to enjoy the process (remember sex for fun??? LOL) and to get some real treatment from a real fertility specialist if you've been trying more than 1 year (under age 35) or for six months if you are over 35.

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Old 10-06-2012, 11:30 PM   #12
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Re: positive opk after ovulation?

And, yes, to answer your question better, the LH doesn't just go away because you ovulated. The LH surge tells you to ovulate, but the ovulation doesn't get rid of the LH. Your body just has to get rid of it over the next few days, regardless of when exactly you ovulated. It may take two days, it may take a week, but how long has nothing to do with your success at ovulation or how many eggs you ovulated.

Also, HCG (the hormone that makes the urine pregnancy test positive) will cause you to have a positive OPK because it is similar to LH. What I think is so nifty about this is that during fertility treatments they will use shots of HCG (instead of LH, because it is easier/cheaper to produce) to trigger ovulation - because the injection is given mid-cycle, your body thinks it is LH and ovulation is "forced". The sucky part about this is that you will have a positive pregnancy test until the shot of HCG is out of your system. So, this will make a TTC girl crazy because if you test too early, the positive preggo test can be from the HCG shot even if you aren't really preggo. Yeah, I've peed on lots of sticks!!!!!
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Old 10-07-2012, 11:25 AM   #13
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Quote:
Originally Posted by snoggle
And, yes, to answer your question better, the LH doesn't just go away because you ovulated. The LH surge tells you to ovulate, but the ovulation doesn't get rid of the LH. Your body just has to get rid of it over the next few days, regardless of when exactly you ovulated. It may take two days, it may take a week, but how long has nothing to do with your success at ovulation or how many eggs you ovulated.

Also, HCG (the hormone that makes the urine pregnancy test positive) will cause you to have a positive OPK because it is similar to LH. What I think is so nifty about this is that during fertility treatments they will use shots of HCG (instead of LH, because it is easier/cheaper to produce) to trigger ovulation - because the injection is given mid-cycle, your body thinks it is LH and ovulation is "forced". The sucky part about this is that you will have a positive pregnancy test until the shot of HCG is out of your system. So, this will make a TTC girl crazy because if you test too early, the positive preggo test can be from the HCG shot even if you aren't really preggo. Yeah, I've peed on lots of sticks!!!!!
Thank you for confirming my idea and congrats in the new baby and new job! Definitely too soon for it to be pregnancy related. And I'm sure I ovulated and this is just the tail end of the surge (another bfp opk today).
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