Long-term tight waist will squeeze the waist fat, make the waist gourd-shaped, hinder the blood circulation of the waist, easily lead to chronic lumbar muscle strain, and also press the gastrointestinal tract, affecting blood oxygen supply and normal peristalsis, leading to loss of appetite and indigestion. So don't miss your health because you are slim.

Because the waist and abdomen will sweat a lot during menstrual period, it is easy to produce bacterial infection, so it is best to choose cotton underwear with good permeability and change it every day. There are also tight underwear, especially underwear with steel rings.