When a woman gets her first period, she will experience many physical discomforts, such as backache, drowsiness, fatigue, weakness, abdominal discomfort, abdominal pain, etc. These are all normal physiological phenomena, and there is no need to worry too much. In addition, when a woman has just had her period, it is very irregular and the hypothalamus-pituitary-gonadal axis is not yet complete. Therefore, there is no need to worry too much about irregular menstruation during this period. During the first menstruation, women should pay attention to rest, avoid strenuous exercise, pay attention to heat preservation, do not get cold, pay attention to the local hygiene of the vulva, etc.