Gynecological disease, 2 months did not come menstruation also did not have pregnant how to do

Normal women's menstrual cycle is about 21~35 days, the patient did not menstruate for two months, considered to be caused by irregular menstruation, ruled out pregnancy after the need to take blood to check sex hormone levels, to see if it is hormone deficiency caused by menstrual delay, diagnosed after the doctor can take progesterone treatment.