Aunt is clinically known as menstruation, usually speaking, menstruation delayed more than ten days is a more obvious abnormality, this kind of situation and the cold is not directly related to, we should focus on considering the early pregnancy factors, endocrine disorders, mental factors and other reasons. 1. Early pregnancy factor: If the patient has normal sexual intercourse during the ovulation period and does not take effective contraceptive measures, it is very likely that the delay in menstruation is due to early pregnancy. 2. Endocrine disorders: patients with luteal insufficiency or insufficient estrogen and progesterone may also experience delayed menstruation. 3. Mental factors: If the patient has been under too much stress, mental depression or tension, it will lead to delayed menstruation to a certain extent. If the patient has delayed menstruation for more than ten days, it is recommended that the patient consult a doctor to confirm the diagnosis in time, to rule out early pregnancy or other diseases, can be adjusted under the guidance of a professional physician.