A 13-year-old daughter’s first nocturnal menstrual period is usually normal.
The first menstrual period is called menarche. The age of first menstruation is most often between the ages of 13 and 14, but may be as early as 11 or as late as 16.
The age at which a 13-year-old daughter has her first menstrual period is within the normal range, and there is no clear rule as to whether the time of menstruation is during the day or at night. Whether the first menstrual period occurs during the day or at night is normal, and it is usually the shedding of the lining of the uterus caused by the hormone secretion of the body to a certain level, and it will not have any effect on the daughter’s body.
13-year-old daughter in the menstruation should pay attention to personal hygiene, change underwear as well as sanitary napkins diligently, keep the vulvar area clean, also need to pay attention to the daily diet, do not eat too cold and spicy food, such as ice cream, chili peppers and so on, so as not to cause discomfort during the menstrual period.