The breast commonly refers back to the entrance in the upper body and medically exclusively towards the mammary gland. Postpartum breasts exhibiting veins obvious on surface The breasts get to full maturity only when a woman's first pregnancy occurs.[56] Variations on the breasts are among the initial indications of pregnancy. https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb