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OPK Question

Jazzyashes84Jazzyashes84 member
in Trying to Get Pregnant
This is my first month TTC #2 and I decided to try OPK's for the first time. On the morning of CD13 it was negative. On the morning of CD14 it was positive. On the morning of CD15 it was negative again already. Does the surge generally only last that long? I'm thinking if I would have tested in the evening of CD13 it may have been positive bc I had a couple of O signs. On every app that I plug in positive OPK on CD14, its saying my "O" date is CD15...but if I got a negative OPK that morning...my actual "O" date was CD14, correct? I know it doesn't matter much...was just trying to figure these things out. Thanks ladies! (Maybe I'm also hoping this puts me a day closer to testing, ha)
TTC#2: 8/17/14 // BFP: 9/5/14
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TTC#1: 7/30/11 // BFP: 8/22/11
DS: Carson Robert 4/29/12
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Re: OPK Question

  • cateyes543cateyes543 member
    Some woman have a short surge and only catch it one day and some have trouble catching it at all. A positive OPKs means you are gearing up to O in 12-48 hours so if CD 14 was a positive you likely O'd that day or even day 15 or 16. The only way to confirm if and when you did o is to temp. A sustained rise occurs the day following O.
    Me: 30   DH:31 
    Married 9/2010
    TTC 10/2013
    RE Help from 10/2014-10/2016 (11 failed IUIs, a corrective surgery, and a donor embryo cycle)
    9/2016-transferred two donor embies
    BFP 9/29/26 EDD June 11
    BabyGaga BabyFruit Ticker
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  • LittleMrsWLittleMrsW member
    I would definitely suggest temping and using FF, the other apps are garbage.Sometime I ovulate on the day of a positive OPK, sometimes I ovulate 2 days later. If my body is feeling like a complete asshole, I will have a positive OPK, but not actually ovulate until a week later. So yeah, start temping.




    Me-27 DH-29

     TTC#1 January 2013

    BFP February 27th 2014, MMC ended in D&C

    Working on our rainbow!

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    Curious about my ute?


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  • dmsmthdmsmth member
    I have a short surge. I got a pos opk on cd 15 am and o'd on cd 16 mid day (my cm has a quick change from super watery to a little thicker)
    m/c April '08
    DD#1 born June '09
    DD#2 born April '11
    TTC #3 as of July '14


    My Ovulation Chart
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  • Jazzyashes84Jazzyashes84 member
    Thank you for the replies! When I got my negative OPK the morning of CD15...we stopped "trying"...next month I'll know to keep trying for a day or two after, just in-case. 
    TTC#2: 8/17/14 // BFP: 9/5/14
    image

    TTC#1: 7/30/11 // BFP: 8/22/11
    DS: Carson Robert 4/29/12
    image








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  • Carebear7777Carebear7777 member
    Sex before O is more likely to result in pregnancy than sex on O day. But OPKs just measure the hormone that triggers the release of an egg. They don't measure O. So you can see why it makes sense the O is often the day after. Or could be the day of... And you can see how it doesn't guarantee that you did O at all. I use them in both am & PM. This cycle, I got a + opk on a Wednesday night. It was still + Thursday am & PM. & then negative on Friday morning. Temps & FF confirmed Friday as my O day.
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