(Closed) OPK Questions

posted 6 years ago in TTC
Post # 3
Member
2450 posts
Buzzing bee
  • Wedding: October 2012

@candy11:  you should start using OPKs on day 10. As you approach your normal O day, you should test twice a day. The surge only last, at most, 12 hours. If you only test once a day, you may miss it.

are you sure the control line is changing? or do you mean the test line? was it as dark as the other line? the test line has to be as dark (or darker) than the control to be considered a positive.

without seeing any pictures or anymore details, it does sound as if you missed your surge.

Post # 4
Member
14659 posts
Honey Beekeeper
  • Wedding: June 2011

Some people don’t really see a gradual change leading up to a positive.  If it’s not positive, the darkness of the line is irrelevant.  My control line is usually the same and the test line is what should be changing.  Here’s a good site with lots of info: http://www.peeonastick.com/opkfaq.html

Post # 5
Member
2450 posts
Buzzing bee
  • Wedding: October 2012

here is an example of a couple days of OPKs… so you can see how they change.

Post # 7
Member
1285 posts
Bumble bee
  • Wedding: October 2011

For me, the line goes lighter and darker throughout the month (i.e. LH fluncutates), but it is only positive (i.e. darker than the control line) once a month, and it lasts anywhere from 1-3 days. Also, I don’t start testing until much later, around CD 15, because I have a longer cycle and why obsess over lines until I have to? How long is your typical cycle? If it is over 30 days, you may not have missed it.

Post # 8
Member
4284 posts
Honey bee
  • Wedding: June 2012

@KH:  Good advise as far as testing later.

I don’t start testing until CD 15. I don’t ovulate until day 19 so to test at day 10 would be a complete waste. Also I don’t see gradual changes as much as others. I get a positive normally on day 16 and 17. I second @rosworms: as far as testing twice a day. I do morning and evening. Also in case you don’t know, I am sure you do though… OPK’s only detect a LH surge, it doesn’t mean you are actually ovulating. To confirm ovulation you would have to start temping and charting 🙂

Good luck!

Post # 9
Member
1285 posts
Bumble bee
  • Wedding: October 2011

@RoyalLime:  Agreed, test twice a day between 10am-10pm. If you use first morning urine (FMU), you could get an inaccurate result.

Post # 10
Member
4284 posts
Honey bee
  • Wedding: June 2012

@KH:  I have to disagree here. I always use FMU, then test in the afternoon after a 4 hour hold.

Post # 11
Member
1285 posts
Bumble bee
  • Wedding: October 2011

@RoyalLime:  That is interesting, I heard that the body produces LH during the day so test in the middle of the morning after it had some time to build up. I think I’m lucky though, because when I get a postive, it doesn’t matter how diluted my urine is, it still comes up positive. I use the Wondof OPKs, so maybe it is brand specific?

 

Post # 12
Member
4284 posts
Honey bee
  • Wedding: June 2012

@KH:  I use both Wondfo’s and Clear Blue digi’s. I think your surge can happen anytime. Not only durning the day. Maybe you just have a super strong surge? 

Post # 15
Member
1285 posts
Bumble bee
  • Wedding: October 2011

@candy11:  Maybe not, Lindsey_k_16 thinks it is the FMU, so the jury is still out. Just test twice a day and you should catch it.

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