5 doctors weighed in:
How long is normal luteal phase?
5 doctors weighed in

Dr. Michael Opsahl
Fertility Medicine
4 doctors agree
In brief: 11+ days
The luteal phase starts after ovulation and is 14 days by the textbook.
We usually think that the minimum length is about 11 days. To determine the length, you need to accurately know the day of ovulation, as many times a day can make the difference between normal & abnormal. You need an accurate diagnosis to prevent unnecessary and thus ineffective treatment. Best wishes.

In brief: 11+ days
The luteal phase starts after ovulation and is 14 days by the textbook.
We usually think that the minimum length is about 11 days. To determine the length, you need to accurately know the day of ovulation, as many times a day can make the difference between normal & abnormal. You need an accurate diagnosis to prevent unnecessary and thus ineffective treatment. Best wishes.
Dr. Michael Opsahl
Dr. Michael Opsahl
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