Aunt's six days late. What's going on?

Menstruation delayed six days has not yet come, this situation, need to be judged according to, whether there is sexual life, the first kind of situation, if there is sexual life, first consider, is caused by pregnancy, need to go to the hospital as soon as possible, do human chorionic gonadotropin, that is, hcg, or, determine urine hcg, that is, use early pregnancy test paper to judge, the second kind, if there is no sexual life, or, really can rule out pregnancy, generally, consider, Because ovarian dysfunction caused by specific needs to do to the hospital, female hormone six, amh, that is, anti-Muller hormone, there are gynecological color Doppler to judge, the third may be normal physiological phenomenon, because women menstruation, a week in advance or a week after the temporary do not need tension, can be observed, but if more than a week, to check as soon as possible.