How Is Lh Surge Detected

Donna asks…

No LH surge, or just bad test brand?

I started using OPK’s in June this year. For the first month, I tested once a day. Starting the day after I lasted had bleeding. I continued this until my next period started. Come July, I was testing two times a day, once at around 9 am and again around 4pm. Since then it’s been 2x a day. Yet I have yet to have a LH surge detected.

My periods are and always have been irregular, which is why I start testing the very first day I notice little to no bleeding. I use the Answer OPK’s, as they are the only brand I can find at any of the stores around me.

I have had one child already, 2 years ago. But I’m ready for a 2nd. Add into this mix I was diagnosed with endometriosis shortly after I had my daughter. We just changed insurance, so I’m waiting on that to finalize itself then plan to find a OB/GYN to start with. Then if needed I’ll see if my insurance covers fertility specialists.

In the meantime, does anyone have any advice or thoughts on this?

Pregnancy Advisor’s answers:

LH is synthesized in the body during the morning…so you may want to make sure you’re up for 4-5 hrs before you do your 1st test and then take the 2nd before bed.

With that said LH tests don’t work for everyone. I had one cycle on Clomid that I didn’t get a LH+ test but had an ultrasound that confirmed ovulation. I’m not sure why they don’t work for some…

Good luck!!!

Maria asks…

Can you still ovulate without a monitor/OPK detecting LH surge?

I was wondering if it is possible for a woman to ovulate without a monitor/OPK detecting her LH surge? I am on CD14 and using the CBEFM and Im on my 6th day of high fertility; no peak days yet…Last month I ovulated on CD13 and CD14 was my last day of high fertility and I only had 3 days of high fert. before that. I did have a short cycle last month 25 days and it was my first cycle off off BC…I know most women do not ovulate on the same day each month but check out my chart..It looks like I already ovulated to me…Am I wrong?

Pregnancy Advisor’s answers:

You would not ovulate without the LH surge so I think you are right in saying it already happened.

Laura asks…


when taking an ovulation test. can your LH surge be detected more than one day… or is it more like.. the LH surge is only detected/ happen in one day?

if i take an ovulation test everyday for 3 days… will the test still indicate a LH surge on the 3rd day

Pregnancy Advisor’s answers:

Generally your LH surges 12-48 hours prior to ovulation.
So yes, you can get 3 days of positive LH surges (first hour, 24th hour, 28th hour), or sometimes you can just have one positive LH surge test.

Sandra asks…

Ovulating test kits? LH Surge?

I have been using the clear blue kit, and yesterday when i testes the blue line that say that the LH surge has been detected came up brighter than the contol line so did what had to be done next and well I know it says you dont need to do the tests anymore but I was curious and tested today and the positive line was weaker than the control line, does LH go or is it meant to be present till a period or pregnancy?

Pregnancy Advisor’s answers:

The dark line means you are testing positive for your LH surge, which you already know. When you test the next day and the line is considerably lighter you caught your surge the day prior at the right time. Also, do not use your ovulating tests to test for pregnancy. I’m 11 weeks and never tested positive on an OPK (I was out of pregnancy tests). Good luck to you!

Lisa asks…

does lh surge mean im ovulating?

when my lh surge has been found does that mean i have started ovulating?

Pregnancy Advisor’s answers:

Q: Once I detect my LH surge, when should I have intercourse?

A: It’s best to have intercourse the day of the LH surge and the two days after. Also consider “insurance” sex for one more day in case you ovulate late. Perfect timing would be to have had intercourse the day before the LH surge as well.

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