If you don’t have a period and you don’t find out that you’re pregnant, it could be due to menstrual disorders or endocrine disorders. In some cases, the lack of ovulation or delayed ovulation during a menstrual cycle may lead to delayed menstruation or even amenorrhea, which may lead to delayed menstruation or even amenorrhea. You need to perform an ultrasound to rule out the possibility of an unwanted pregnancy, and then perform an ultrasound to check the thickness of the lining of the uterus, and then take progesterone to stimulate menstruation, if necessary. If you are in a bad mood, have too much stress, or have an irregular work schedule or diet, it may affect your endocrine system and ovulation, resulting in delayed or absent menstruation. If often delayed or do not come, menstrual disorders on the third day of menstruation, it is recommended to fasting blood test endocrine six, to see what endocrine problems lead to delayed menstruation, to understand the endocrine diseases such as polycystic ovary syndrome, and then carry out the next step in the adjustment.