Physiology & Anatomy
· 3 – 4 days before menses, oestrogen and progesterone ® cell proliferation and water retention
· During pregnancy, cell proliferation. Post-partum, prolactin ® milk production.
· At menopause, breast involution due to replacement of glandular tissue by fibrosis and fat. Occurs with age
· Superficial and deep fascia form a sandwich around the breast
· Breast is between the 2nd and 6th intercostals spaces