Infertile 1 marks the infertile* time around the last menstruation. This time will be composed of the post and ante period. Depending on the number (and constancy) of the previous cycles this phase will be longer or shorter (or not displayed at all).
Infertile 2 marks the beginning of the infertile* phase around the next, forthcoming menstruation.
*) Information about fertility in accordance with our disclaimer: Please take into account that this information might be incorrect as contraception is never 100% safe
disclaimer: Please take into account that this information might be incorrect as contraception is never 