Why you might see this term
It often occurs roughly two weeks before the next period, rather than always on cycle day 14. Cycle history, LH tests and selected investigations can add context.
What to keep in mind
Calendar predictions do not confirm egg release. If periods are absent or consistently unpredictable, seek advice rather than relying on an app alone.
Sources & further reading
Prepared by ProFertility · Updated 23 October 2026.
Educational information based on the linked sources. This explanation is not an individual diagnosis or a treatment recommendation. A term appearing here does not mean the test is necessary or included in a particular kit.
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