Menstruation has always been very normal, this time five days late is a normal phenomenon, temporarily do not need special treatment, you can continue to wait for menstruation, ovulation is affected by emotions, living environment and psychological stress and other factors, menstruation early or delayed, within a week is normal. If menstruation is delayed for more than seven days and there is a recent history of sexual intercourse, consider whether it is due to pregnancy. You can determine whether you are pregnant through an early pregnancy test, and if pregnancy is excluded, consider whether it is due to endocrine disorders or gynecological inflammation and other factors. Need to go to the hospital obstetrics and gynecology further consultation, through the hormone six examination, uterine accessories B ultrasound, clear specific causes, further targeted treatment, usually pay attention to regular life, avoid staying up late, pay attention to maintain emotional stability, to avoid excessive psychological pressure.