Hello, the doctor. Prompt how to count please " safe dn...

[Marina]

Hello, the doctor. Prompt how to count " safe days " please. In advance thanks

[The anonym]

The first 5 days of a cycle and last 5 days of a cycle

[Soboleva L.I.]

Hello! At a stable cycle 4 days before and after an ovulation are "dangerous". All the others are safe. However, the method is effective only at a stable cycle, the constant partner and long observation over a cycle.