Menstruation delayed 5 days did not come chest itching test is not pregnant, may be the imminent onset of menstruation, endocrine disorders, hyperprolactinemia and other causes of the performance. 1. imminent onset of menstruation: some women’s menstruation is not very regular, there may be a delay in menstruation for 5 days to come, the body’s hormone levels obviously change, it may have a certain impact on the chest, there may be itchy breasts, but the test is not pregnant. 2. Endocrine disorders: If a woman is overly anxious and stressed, it may cause endocrine disorders, which may cause a delay in menstruation for 5 days, which may be accompanied by itchy breasts and no pregnancy test. 3. Hyperprolactinemia: women’s body prolactin level increased significantly, the estrogen and progesterone levels have a certain impact, may cause menstrual delay 5 days did not come, can be accompanied by chest itching, no pregnancy and other manifestations. If your period is delayed for 5 days and you don’t have itchy breasts, you need to go to the hospital in time to avoid delaying the treatment of the disease.