If a 48-year-old woman suddenly does not have her period, it may be due to the following reasons: 1. whether it has reached the menopause, due to the individual differences of women to the menopause, everyone’s response is different, the vast majority of women enter the perimenopause will appear changes in the amount of menstruation, such as increased menstruation, reduced menstruation or changes in the menstrual cycle, very few women may suddenly do not have a period. 2. Although the ovarian function of women at this age has gradually declined, ovulation will still occur, which may lead to pregnancy if no contraceptive measures are taken, and an early pregnancy test must be done to rule out the possibility of pregnancy. If she is not pregnant, she may have already entered menopause, so there is no need to deal with it clinically for the time being.