Single-phase cycle

[invi]

Question in the following. At me regular delays (for 2-3 months happened) after hormonal analyses have told or said, that a cycle single-phase, a saw 3 mes djufaston, has passed or has taken place 2 months after has stopped to accept it or him. Now again a delay - 10 days. Probably all all over again.: (pregnancy while is undesirable. The QUESTION: how much it is possible to hold this business *quot; ?N?N?N?U?*quot; and than it threatens? That is, if year (for example) to not go to the doctor, whether that will be treated then more difficultly? In advance thanks.