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How do ovulation tests work?

Due to pregnancies and breastfeeding I haven't had a period in over 4 years. We are ttc #3 and I'm curious if the ovulation tests you buy at the store work and how you use them. Thank you:)

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Anonymous

Asked by Anonymous at 8:24 AM on Apr. 18, 2011 in Trying to Conceive

Answers (3)
  • Ovulation test work by testing for a surge in the hormone LH that generally happens just before ovulation (12 to 36hrs) Make sure to read the directions because they are differnt from a pregnancy test, the line needs to be as dark or darker than the control line.

    You will need to start these at about cd10 so you may have to call your Dr to have them jump start you period. (provera)
    Good luck
    Graciesmom528

    Answer by Graciesmom528 at 8:31 AM on Apr. 18, 2011

  • Yes, they work, for most people. As Graciesmom528 said, they detect the LH surge that occurs prior to ovulation. You pee on the stick, preferably at the same time every day, and you want the test line to be as dark as or darker than the control line in order to be read as positive. There may be a second line for many days and you may see it get progressively darker, but it's not positive until it's at least as dark as the control line. (The reading issue can be resolved by getting digital tests.) It works the same way whether you have a regular period or not, but without knowing when/if you ovulate, you could end up spending a ton of money before you actually get your positive. Best (and cheapest) thing to do is chart. Read Taking Charge of Your Fertility by Toni Weschler and check out FertilityFriend.com for good pointers. Good luck!
    DragonRiderMD

    Answer by DragonRiderMD at 1:41 PM on Apr. 18, 2011

  • i finally went to the store and got some after ttc for 4 months..and started to use them..they were kinda hard to read..but there was one that i thought was positive, but i didnt end up having sex that day..i had sex the day before..and turns out that test was positive and am now 14 weeks prego..thank you ovulation tests!!! i say try them, its not going to hurt anything, you should probably get the large pack of them since you havent had a menstrual cycle, so you wouldnt know exactly when to start taking them..so if you get the large pack then you can just start taking them whenever until theyre gone, i hope it works for you!! GL!
    MaciesMommy09

    Answer by MaciesMommy09 at 12:33 AM on Apr. 19, 2011

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