OPK's as HPT's?

Discussion in 'Trying To Conceive' started by AriannasMama, Dec 18, 2009.

  1. AriannasMama

    AriannasMama Guest

    I have seen a few ladies on here talking about using OPKs as HPTS, so how does that work? lol. I had two dark OPK's this month and have a few left over so thought I may try them out as an HPT, but was just wondering how it worked.
     
  2. MrsCrabsticke

    MrsCrabsticke We are giving up.

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    from what i have heard with opk's they have to be darker than or as dark as the control line.

    good luck are you going to test today??
     
  3. mommy2baby2

    mommy2baby2 Pregnant with #4

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    Check out this website www.peeonastick.com she did some testing with the OPKs so it can give you some more insight!
     
  4. endo sufferer

    endo sufferer Member

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    i'm 8dpo and have started spotting creamy brown very slight when i check my cervix, so i got itchy fingers and decided to test, cos i felt i had to lol but had 5 opk's and 1 hpt, so i figured i'd use a opk, and it came up POSITIVE! am quite confused now as i didn't think it would work, i did get my pos opk when i ovulated cd 17-18, i'm cd27 now. so i guess you could have a go, but i'm not testing using hpt for a few days at least. here's something i found:

    A woman trying to conceive asked her doctor if she could use Ovulation Predictor Tests (OPK's) as Home Pregnancy Tests (HPT's). The reason for the question is that it is asked a lot on "trying to conceive" web sites. Many women will have an extra OPK after ovulating and may want to use it as an HPT. Here is what the doctor said.

    The chemical make-up of LH (LH is the hormone that triggers the release of the egg and is very high prior to ovulation and causes a positive result on an OPK), is one thread short of being hCG (HCG is produced by the placenta during prenancy and it is what HPT's look for). That is why you will not get a + hpt if you are having your LH surge, but you will get a + OPK if you are pregnant, that one thread that is in the hCG, but missing from the LH is what makes the hpt work.

    But on the other hand, he did say that an OPK is probably the most sensitive hpt you can buy. He said that there are two ways to use it.

    1. Using it daily and if your test line gets darker then you are most probably pregnant

    2. Use it once (yeah right ), and if your test line is as dark as or darker than the referance line then you are pregnant.

    He said that the only bad things about using the OPK are that

    1. The OPK will pick up a + hCG before the doctor's office test but about two days after a beta test would pick it up (detecting 10mIU of hCG being between 7dpo - 9dpo ~ according to the average impant of 5-7 days), so if you are waiting to take a urine test at the doc's office, you would still have to wait.

    2. It detects pregnancy so early that it will detect chemical pregnancy and early m/c pregnancy


    i hope this helps you xx
     

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