If on 13 j day of a cycle (a cycle of 26 27 days) US has found out a follicle of 33 mm. (...

[Alla]

If on 13 j day of a cycle (a cycle of 26 27 days) US has found out a follicle of 33 mm. (presumably a cyst), whether that oznachsaet it, what this month ovulations were not?

[Malanova T.B.]

Most likely, it is a preovulatory dominant or prepotent follicle.