Uv. Tatyana Borisovna, tell or say please how to calculate offensive or approach ochere...

[Emma]

Uv. Tatyana Borisovna, tell or say please how to calculate offensive or approach next mentsruatsii at absence of an ovulation.

[Malanova T.B.]

If at you a regular cycle anything to count it is not necessary. Irrespective of presence of an ovulation of a menses prizodjat for 28 30 days.