In what days of a menstrual cycle it is possible not predohronjatsja (I consider that that...

[Ramil]

In what days of a menstrual cycle days after and up to a menses are possible not predohronjatsja (I consider that that 100 % gorantii are not present) How much?

[Pasenjuk A.M.]

At 28 day time cycle up to 9 a cycle (1 day menstruatsii-the first day of a cycle) and about 18 days on 28