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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does Taking One Norethisterone Instead Of Two Affect The Timing Of Ovulation?

I was prescribed Norethisterone from day 14-25 of my cycle in preparation for a round of natural IVF. I ended up with a large follicle and LH surge on day 9, so we have had IUI instead as my consultant feared we would lose the egg waiting for the trigger for the IVF. I have just realised that I only took one Norethisterone each day, rather than the two prescribed. Despite running to a 28 day cycle, the follicle was enlarged and my LH results were very high on day 9, indicating premature ovulation. Would taking only one Norethisterone have affected the timing of my ovulation?
posted on Sat, 15 Mar 2014
Twitter Fri, 21 Feb 2020 Answered on
Twitter Thu, 27 Feb 2020 Last reviewed on
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General & Family Physician,  's  Response
Hi

Ovulation occurs due to increase in LH hormone which is also called as LH surge.No,taking one tablet instead of 2 tablets of norethisterone does not cause premature ovulation.

Hope that was helpful.Let me know if i can assist you further.

Regards

Dr.Saranya Ramadoss
General and Family Health Physician
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Does Taking One Norethisterone Instead Of Two Affect The Timing Of Ovulation?

Hi Ovulation occurs due to increase in LH hormone which is also called as LH surge.No,taking one tablet instead of 2 tablets of norethisterone does not cause premature ovulation. Hope that was helpful.Let me know if i can assist you further. Regards Dr.Saranya Ramadoss General and Family Health Physician