Which type of bra can negatively influence milk production?

Restrictive bras can negatively influence milk production due to the pressure they exert on the breast tissue. When a bra is tight or compresses the breasts, it can restrict circulation and lymphatic drainage, which are essential for maintaining healthy breast tissue and efficient milk production. This compression can interfere with the natural physiological processes involved in lactation, such as milk flow and the let-down reflex, ultimately leading to decreased milk supply.

In contrast, the other types of bras mentioned, like loose-fitting bras, supportive sports bras, and comfort bras, are generally designed to provide adequate support without restricting breast movement or circulation. Loose-fitting bras may not offer enough support, but they do not exert the same negative pressure as restrictive bras. Supportive sports bras are designed to accommodate movement while providing support, and comfort bras are focused on being non-restrictive and easy to wear, both of which can help maintain proper milk flow and production.