Feminine hormones — specifically, estrogen, progesterone and prolactin — Perform a vital position in breast development and function. The primary purpose from the breasts is to create breast milk. Roughly two years following the onset of puberty (a girl's initial menstrual cycle), estrogen and growth hormone promote the development and https://grok.com/share/c2hhcmQtMw%3D%3D_21b4ddf4-c274-418a-a078-c9d2af4898ff