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  1. #1
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    Default Predicting ovulation by follicle size

    My ultrasound showed my lead follicle is 14mm. Does anyone know if I can predict how many days until ovulation?

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    If I recall correctly it would be about 3 days. I think the average growth rate is about 2mm/day.

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    I had a scan yesterday. Mine was 15mm. Apparently you ovulate at about 19-20 and it grows 2mm per day.

    No positive opks though yet so not sure what that means!

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    Follicles generally grow to 18-24mm before rupture at a rate of 2-3mm a day.
    So you're looking at ovulating within 1.5 and 5 days from now

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    I can tell you that last cycle mine grew 2mm a day. I had a 17mm dominant follicle, the next day 19mm, then the next day I ovulated, so I'm guessing 21mm.
    I went for monitoring again today, (CD 14) and I had a dominant follicle of 16mm. So I think I'll ovulate in 2/3 days (that's what the dr said too), so going back in 3 days to check!

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    Thanks so much ladies. Wishing you all the best 😊


 

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