During pregnancy, breasts undergo their most significant functional growth to prepare for lactation.
Breast Health: All Guides – Center for Young Women's Health mature mothers boobs
By the third trimester, breasts may leak colostrum, a nutrient-rich fluid that nourishes the baby before regular milk "comes in". 2. Post-Childbirth & Breastfeeding breasts may leak colostrum
After birth, the sudden drop in estrogen and progesterone triggers the release of milk. mature mothers boobs