Menstruation deferred a month measured not pregnant again is why

More than a month has not yet come to menstruation and no pregnancy may be caused by endocrine disorders, this situation is the recent work pressure is relatively large, insomnia, anxiety will cause endocrine disorders, can be oral progesterone to urge menstruation. Polycystic ovary may also cause this symptom. It is recommended to carry out B-ultrasound examination as soon as possible, after laboratory examination comprehensive analysis, clinical treatment. In addition, ovarian function decline may also cause menstrual delay. Such patients can be appropriate oral drug intervention, the general effect is better, in a short period of time to restore menstruation to normal levels.