Throughout the menstrual cycle, the breasts are enlarged by premenstrual h2o retention and non permanent progress as affected by modifying hormone ranges.[fifty five] Pregnancy leads to elevated amounts of the hormone prolactin, that has a critical position within the production of milk. However, milk production is blocked by the hormones https://grok.com/share/c2hhcmQtMw%3D%3D_21b4ddf4-c274-418a-a078-c9d2af4898ff