(Closed) Can OPKs be wrong?

posted 6 years ago in TTC
Post # 3
Member
663 posts
Busy bee
  • Wedding: September 2012

@ANewMrs:  I have no advice but that was me the first month I used OPKs. I was paranoid I wasn’t ovulating or that the strips didnt work. I needed up getting my lines half a day after I posted that I was never going to get lines LOL Hang in there. 

Post # 4
Member
4150 posts
Honey bee
  • Wedding: November 1999

If I remember correctly, this is your first month charting, right?  Try to just get through this first month before you worry whether or not you’re ovulating.  You’ll start to see how your body functions after a couple months of charting.  Most women don’t ovulate before CD13.  Also, many women don’t get a positive OPK until the day of ovulation (myself included).  So, you may get your positive in the next few days.  Also, many women get fertile CM for days before they ovulate.  Like I said, you’ll start to learn your body after a couple cycles of charting.  Did you just come off of BCP?  For many women, that delays ovulation a bit – my first month off of BCP I ovulated on CD18 and since then I ovulate around CD12-13. 

Post # 7
Member
456 posts
Helper bee
  • Wedding: November 1999

This happened to me too…I thought maybe I misses my surge but then a few days later I had the O symptoms again and a + opk. I think for me my body was gearing up to O for the first time off bcp and then took a little longer to get there.  Or something!

Post # 8
Member
4150 posts
Honey bee
  • Wedding: November 1999

@ANewMrs:  Haha I can completely relate.  I dove into TTC right after our wedding with all my wedding planning gusto, too.  When it took longer than a couple months to get pg, I started to get upset because I’ve always been able to plan and succeed, and TTC didn’t want to work that way for me.  If I could go back and give myself advice when we started, it would be to *try* to not over-analyze every temperature, OPK stick, change in CM, etc., and to try to just look at the big picture and take each day with a grain of salt.  I know that’s so much easier said than done, but that’s the advice I wish I could go back and give myself a few months ago. 😉 This is a really great community for people TTC so I hope you find support here and that you’re not trying for long!

Post # 10
Member
881 posts
Busy bee
  • Wedding: September 2012

@ANewMrs: I have had some cycles with a fairly wide range like that so I think it’s fine.  The important thing is whether you can easily see the temp shift after O.  If you can, you should be fine.  It may help to take your temps vaginally instead of orally.  Vaginal temps are much more consistent and not affected by mouth breathing.  I am a mouth breather normally so my oral temps fluctuate a lot, but my vaginal ones are more steady.  I can see the temp shift very clearly in either chart but I prefer the vaginal temps because they don’t have as many spikes and dips for me to overanalyze 🙂  If you do decide to switch to vaginal temps, you should wait to start taking them until this cycle is finished.  If you switch mid-chart it can look like O occurred because vaginal temps are higher than oral ones.

If you want to see the difference, take a look at my charts:

oral temps: http://www.fertilityfriend.com/home/MrsEagleEye

vaginal temps: http://www.fertilityfriend.com/home/MrsEagleEye2

 

Post # 11
Member
3941 posts
Honey bee
  • Wedding: October 2011

CD13 is pretty early.  I would give it a couple more days.  I didn’t get a positive until CD18 this month on a 28 day cycle.

Post # 12
Member
4518 posts
Honey bee
  • Wedding: September 2010

I think with OPKs you’re more likely to get a false positive than a false negative. I would get a positive every month, but it turned out I wasn’t ovulating. Oops! I be you’ll get a positive in the next few days…

Post # 13
Member
881 posts
Busy bee
  • Wedding: September 2012

Just to clarify, OPKs only tell you that your LH is surging.  They do not tell you if you are in fact ovulating, only that your body is gearing up to do so in the next day or two.  So it is completely possible to get a positive OPK but not be ovulating- these aren’t false positives they just measure your hormone levels.  The high hormone level tells your body to release an egg (ovulate), but sometimes other factors can make it not realease one for some reason.  Only temps (or doctor’s tests)  can confirm ovulation is occurring.  For your original question, I don’t think OPK’s are usually wrong.  (ie: a negative means no LH surge, positive means there is an LH surge) However, it is possible to miss your surge so just because you don’t get a positive OPK doesn’t necessarily mean you aren’t ovulating.  Some women have a very short surge so it can be hard to catch.  I wouldn’t worry about that right now though, CD13 is really early for a positive OPK.  Mine usually goes positive around CD17 but sometimes it comes even later than that.

Post # 14
Member
1564 posts
Bumble bee
  • Wedding: August 2012

Are you doing the OPKs once a day or twice? I’ve heard that testing once in the morning and once in the afternoon will make it easier to catch your LH surge (and helps with the anxiety that you might miss it).

Post # 16
Member
441 posts
Helper bee

It is possible to miss your surge. One month I got negative OPKs, but I definitely ovulated (temp shift). It’s also possible to get positive OPKs and then not ovulate.

Ovulation doesn’t always line up with other fertile signs like watery/EWCM, and temp drops don’t necessarily mean anything. In fact, you won’t really know there’s a drop until you have a temp shift, and then it’s too late. It sounds like you’re doing OPKs correctly, so just keep doing what you’re doing, and you’ll likely get a + soon. I recommend having sex every other day when you start seeing fertile CM and then doing it every day once you get an OPK. Keep having sex until you confirm your O with a temp shift to make sure you don’t miss it. 

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