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What is a good follicle size? And does bigger mean better?

erica2573erica2573
in Infertility

I just had my cd12 us and have 2 follies. I was hoping for 3, but I am happy I have at least 2. I will be doing B2B IUI's on Wed and Thurs. Does the size of the follie have any indication of the quality? 

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Re: What is a good follicle size? And does bigger mean better?

  • krissyh21krissyh21 member
    No size does not = quality. Size = maturity for the most part. Depending on what method you are using for ovulation induction, REs like to see them at a certain size before triggering (if you trigger).
    A lot of years and a million tears finally led me to you.
    After 7 years trying to concieve, 3 failed IUIs and 2 failed IVFs, my third IVF was a success!
    My Christmas baby turned into a turkey bird! Dillon Richard was born at 34 weeks, 5 days on November 28, 2009 after 10 weeks on bedrest for preeclampsia.
    <a href="http://smg.photobucket.com/albums/v705/arriinthere/PJ/?action=view
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  • EmptyOven25EmptyOven25
    I don't think size=quality, but size definitely = maturity.  Mine usually get to about 18mm, which my RE thinks is ok, but I think most people want them over 20mm.
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  • krissyh21krissyh21 member

    On clomid, they look for follicles to be over 20mm

    On injectables, they like it to be over 18mm. 

    Some REs do vary on this, but for the most part that is pretty standard. 

    A lot of years and a million tears finally led me to you.
    After 7 years trying to concieve, 3 failed IUIs and 2 failed IVFs, my third IVF was a success!
    My Christmas baby turned into a turkey bird! Dillon Richard was born at 34 weeks, 5 days on November 28, 2009 after 10 weeks on bedrest for preeclampsia.
    <a href="http://smg.photobucket.com/albums/v705/arriinthere/PJ/?action=view
    Report Reply
  • AlikiAliki member
    My RE looks for over 20mm but a bigger follie doesn't mean better quality, just that it's ready/mature.
    image
    TTC #1 since 2007. Dx: Unexplained infertility. 4 IUIs in 2008 = BFN. IVF #1 07/09. DD #1 born April 2010 (40w5d).
    TTC #2 since 2011. Dx: Endometriosis and hypothyroidism. 2 FETs in 2012, BFP 6/12 but m/c @ 7 weeks. IVF #2 06/13. DD #2  born March 2014 (40w1d).
    Lilypie Fifth Birthday tickers
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