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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is LH Surge Followed By IUI With A Dominant Follicle Enough To Conceive?

I had a follicular ultrasound on day 9 measuring 10mm & only one dominant follicle. I was given 75iu to wake up the follicles. I am wondering if I have a natural LH surge on day 11 that when I have a IUI on day 12 that the follicle will be big enough to get pregnant?
posted on Tue, 16 Sep 2014
Twitter Mon, 6 Feb 2017 Answered on
Twitter Tue, 7 Feb 2017 Last reviewed on
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Infertility Specialist,  's  Response
Hi actually your follicles don't grow that fast. It grows at a rate of 1 to 2 mm per day and it requires a follicle of more than 17 mm to get a lh surge. It will require atleast 5 to 7 days to happen from the size of 10 mm that means around day 14 to 16. you can also take a injection for lh surge when follicles become that big. Then you can have IUI the day after it.
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Is LH Surge Followed By IUI With A Dominant Follicle Enough To Conceive?

Hi actually your follicles don t grow that fast. It grows at a rate of 1 to 2 mm per day and it requires a follicle of more than 17 mm to get a lh surge. It will require atleast 5 to 7 days to happen from the size of 10 mm that means around day 14 to 16. you can also take a injection for lh surge when follicles become that big. Then you can have IUI the day after it.