Feminine hormones — namely, estrogen, progesterone and prolactin — Enjoy a key position in breast growth and performance. The key part with the breasts is to provide breast milk. Roughly two years following the onset of puberty (a girl's first menstrual cycle), estrogen and advancement hormone encourage the event and https://grok.com/share/c2hhcmQtMw%3D%3D_21b4ddf4-c274-418a-a078-c9d2af4898ff