Urine yellowish menstruation delay, the first thing to rule out pregnancy. Generally if the usual regular menstrual cycle, during the period of sexual intercourse to first rule out unwanted pregnancy, when the menstrual period is delayed for more than 10 days to a high degree of suspicion of pregnancy, at this time you can test through the early morning pregnancy test paper to test whether the pregnancy or go to a regular hospital to improve the blood chorionic gonadotropin, progesterone and ultrasound examination to determine whether the pregnancy. If you are not pregnant, nervousness, stress and environmental changes can also affect the endocrine system, which can cause delayed menstruation, do not be too nervous and worried. And yellowish urine has no necessary connection with delayed menstruation and pregnancy, it may be related to drinking water, eating less, blood volume insufficiency, urine concentration, it is recommended to pay attention to rest, drink plenty of water, keep a good state of mind.