If your period is delayed for more than a week and does not come, then you may be pregnant. At this time, you can go to the hospital for ultrasound or use early pregnancy test paper to test. Nowadays, there are a lot of women who take in too little nutrition to stay in shape, which leads to menstrual disorders, so over-thin women's periods sometimes fluctuate. Especially after menstruation is delayed, some women are anxious, which leads to more delayed periods. Women's menstruation is a reflection of the level of estrogen in the body, and the secretion of estrogen in women's bodies is greatly affected by psychological factors, so once it comes a few days late, it is normal to delay it even longer.　　? Since there are many different reasons for not getting your period, you should never take medication until you understand what is going on. Besides, progesterone for menstruation does have quite a few side effects. Progesterone for menstruation aggravates or leads to hyperandrogenemia in the absence of ovulation, which can lead to more and more chaotic menstruation, making it difficult to correct scanty menstruation, or amenorrhea in the future. Making amenorrhea possible in future sexual cycles.