Some people simply don't wear underwear at home, or choose underwear improperly. And postpartum mothers should pay more attention, because postpartum mothers' breasts will become bigger and heavier. If you don't wear underwear or wear the wrong underwear, it is easy to cause sagging breasts.

2. Excessive dieting to lose weight

In order to keep fit, some girls go on an excessive diet to lose weight. In fact, this not only failed to lose weight, but also protein and insufficient fat intake caused the fat tissue and skin of the chest to relax, and the breasts would droop.

Sleep on your stomach

This is the most common posture, such as: sleeping on the table, or sleeping on the bed, keeping a hunchback posture for a long time, being squeezed, resulting in severe oppression of the breasts, sagging breasts and sunken nipples.