In the menstrual cycle, the breasts are enlarged by premenstrual water retention and temporary development as influenced by transforming hormone amounts.[55] Pregnancy results in elevated levels of the hormone prolactin, that has a key purpose within the manufacture of milk. However, milk creation is blocked by the hormones progesterone and https://grok.com/share/c2hhcmQtMw%3D%3D_21b4ddf4-c274-418a-a078-c9d2af4898ff