Aunt came a little bit, then it went away. What happened?

Menstruation comes a little bit without, it is the performance of menses too little, need to exclude pregnancy, endocrine diseases. First to check hematuria HCG, except pregnancy may, if necessary, to further exclude ectopic pregnancy, embryo abortion and other special circumstances. Pregnancy is not only manifested as menses do not come, sometimes also manifested as menses too little. Except after pregnancy, female sex hormones and thyroid function should be checked, except for polycystic ovary syndrome, hyperprolactinemia, thyroid dysfunction and premature ovarian failure and other specific endocrine diseases. Except for special circumstances, transient menstrual flow is often associated with female mental and psychological factors, such as test stress, bad mood, sometimes there will be such performance, do not need special treatment, will gradually improve.