Aunt's 10 days late. Pregnancy test shows no pregnancy.

Aunt delayed 10 days and pregnancy test stick shows no pregnancy, may be emotional factors, environmental changes and drug factors, endocrine disorders, reproductive system diseases caused. 1. Emotional factors in tension, anxiety, depression and other adverse emotions for a long time, may affect menstruation through the neuroendocrine system. 2. Environmental changes Environmental changes sometimes cause menstrual cycle changes. For example, sudden changes in living environment, climate, etc. 3. Drug factors Some drugs, such as long-term use of contraceptives, sudden withdrawal of certain psychotropic drugs, etc., may interfere with hormone levels in the body, leading to menstrual disorders. 4. Endocrine disorders Endocrine disorders may be an important factor leading to delayed menstruation, women's endocrine system is very complex, regulated by a variety of hormones, if the recent life pressure is too large, irregular work and rest, excessive diet or excessive exercise, etc., may cause endocrine disorders, and then affect the menstrual cycle. 5. Reproductive system diseases such as polycystic ovary syndrome, premature ovarian failure, intrauterine adhesions, etc., these diseases can affect the normal function of the ovary or the physiological state of the uterus, resulting in menstrual abnormalities. If menstruation is delayed for 10 days, even if the pregnancy test shows that you are not pregnant, you should not take it lightly. It is recommended to seek medical attention in time, carry out relevant examinations, such as ultrasound examination, sex hormone determination, etc., to clarify the cause, and take corresponding treatment measures under the guidance of the doctor. At the same time, to maintain good living habits and mentality, help to maintain the normal regularity of menstruation.