The age of women’s menarche: 5 major factors affecting menarche

　　female Menarche refers to a woman’s first menstrual period, which usually occurs during puberty. healthy For women, vaginal bleeding will occur for the first time. The first menstrual period for girls will be different. So at what age does a woman have her first period?

　　Under normal circumstances, most healthy Oriental girls menstruate between the ages of 10 and 16. Menarche before the age of 10 is considered precocious puberty, and menstruation before the age of 18 is called primary puberty. amenorrhea , are all abnormal phenomena. Let’s take a closer look below!

　　At what age is normal for menstruation?

　　Menstruation is normal between the ages of 10 and 16.

　　Most healthy Oriental girls start menstruating between the ages of 10 and 16. Menarche before the age of 10 is considered precocious puberty, and menstruation before the age of 18 is called primary amenorrhea, both of which are abnormal.

　　Notice! However, due to the influence of climate and geographical location, women in some areas may have their first menstrual period after the age of 18, which is normal.

　　Signs of menarche in women

　　Usually the development of breasts is the first sexual characteristic of her puberty, followed by the growth of pubic hair. About a year after breast development, most women will enter a period of rapid growth. They will grow taller and become more curvy, and their feet will also grow. Early menstruation usually occurs about a year after the growth spurt or two years after breast development.

　　Is it normal to have irregular menstruation after menarche?

　　In the six months to one year after menarche, menstruation may not necessarily come regularly every month. After menarche, some menstruation will occur for the second time every few months, half a year or even a year. This is not a pathological phenomenon, and menstruation will come on time every month in the future. Each menstrual bleeding lasts for about 5 days, which is the menstrual period. Generally, the amount of each menstrual period is 10 to 100 ml, with an average of 50 ml. The amount of bleeding is the largest on the second and third days. During menstruation, due to pelvic congestion, you may sometimes feel dizzy and have a craving for popsicles. stomach ache , backache, breast swelling, poor appetite, etc. are normal phenomena.

　　What factors affect menarche?

　　Menarche is affected by many factors, the following are some of the more common factors.

　　Affected by climate and geographical location

　　Girls living in warmer areas have more comfortable living conditions and have earlier menarche. In some cold areas, such as the Eskimo women, women do not have menstruation until they are 23 years old. The average age of menarche for Tibetan girls in Tibet, my country is 17.6 years old.

　　Affected by nutritional status

　　Girls in developed countries in Europe and the United States have earlier menarche, while girls in developing countries have earlier menarche. Girls in urban areas have earlier menarche, while girls in rural and remote areas have later menarche. Mainly because developed countries or cities have more developed economies and pay more attention to nutrition and diet.

　　Taking my country as an example, in 1980, the first-tier city women had menarche at the age of 13.7 years. In 1993, the survey results of the Maternal and Child Health Center of Beijing Medical University showed that the menarche age for urban women was 12.62 years old and that for rural women was 13.07 years old.

　　Affected by obesity

　　Studies have shown that women will have menarche when their body fat reaches 17%, and menstruation will be delayed or even absent when their body fat is below 15%. When body fat is higher than 30%, there may also be endocrine disorders, absence of menstruation, heavy menstrual flow, or prolonged menstruation.

　　Influenced by genetics

　　Menarche is also affected by genetic factors. For example, if a mother has late menarche, her daughter will generally have late menarche, and vice versa.

　　disease Influence

　　Among the diseases that cause delayed menarche, the most common are chronic wasting diseases, including tuberculosis, chronic hepatitis, diabetes, malabsorption syndrome, severe congenital heart disease, bronchitis, asthma , anorexia, etc.

　　Among the diseases that cause early menarche, cerebral palsy, epilepsy , physical disability and nerve Vascular defects are relatively common.

　　What should women pay attention to during menarche?

　　Choose safe and comfortable sanitary napkins

　　There are many brands of sanitary napkins on the market. Some sanitary napkins contain medicinal ingredients that can help relieve pain. Dysmenorrhea . But when you have your first period, you must avoid choosing medicine-based products to avoid allergies or dependence. In addition, choose sanitary napkins that are safe and of high quality.

　　avoid cold

　　During menstruation, your resistance will decrease and you will be more sensitive to cold than usual. At this time, it is best not to wear skirts, bathe or wash your hair with cold water to avoid catching a cold.

　　Pay attention to personal hygiene

　　After wearing sanitary napkins during menstruation, the breathability will become worse, and bacteria can easily breed. To avoid vulvar itching or infection and inflammation, the sanitary napkins should be changed every 2-3 hours, and residual blood stains should be washed with warm water.

　　Don’t eat cold or spicy food

　　Do not eat refrigerated food during menstruation, do not eat too spicy food, and eat less bitter and cold food, because these foods will affect the flow of menstrual blood and are not conducive to the discharge of dirty blood.

　　Avoid strenuous exercise

　　Women will have varying degrees of dysmenorrhea during menstruation. Strenuous exercise may cause menstrual blood to flow backward from the uterine cavity into the pelvic cavity, causing endometriosis and causing dysmenorrhea. In addition, some strength training, such as weight lifting, dumbbells, etc., will increase abdominal pressure and increase menstrual blood volume.