Netizen asked: When I came to "aunt", I always felt that the color was sometimes darker and sometimes lighter. Why is this? Does it mean that there is a physical problem?

A netizen asked: When I came to "aunt", I always felt that the color was sometimes darker and sometimes lighter. Why is this? Does it mean that there is a physical problem?

Many girls are frightened by their menstrual colors and think something is wrong with their bodies.

But in fact, this is a very normal situation. Lipstick has different colors, and there is not only one color for menstruation.

menstruation is caused by periodic shedding of the endometrium of and bleeding.

In these blood, some are Artial blood and some are venous blood. Generally speaking, the color of arterial blood is bright red, while the color of venous blood is a little darker.

If you observe carefully, you can also find that "aunt" also has several faces.

The first few days I came here are more in quantity, and the colors are brighter. The amount in the next few days is smaller, and the colors will be darker.

In addition, once the blood leaves the human body, it will begin to coagulate, and during the coagulation process, the color of the blood will become darker and darker.

1 Menstruation reaches Auntie's towel or tampon , and it has also gone through a "long-distance journey". If this road is hindered, menstruation will stay in the body, and under the blessing of oxidation, it will become darker and darker.

Menstruation is sometimes a little red, sometimes a little black, which is usually normal and does not mean that there is a physical problem.