Browse 1,021 young girl breasts stock photos and images available, or start a new search to explore more stock photos and images. Affordable and search from millions of royalty free images, photos and vectors. breast development happens in certain stages during a womans life first before birth, and again at puberty and later during the childbearing years. Changes also happen to the breasts during menstruation and when a woman reaches menopause. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on youtube. Breast milk goes through changes from the end of pregnancy through the first few weeks after your baby is born. Colostrum is the first stage, transitional milk is the second stage, and mature milk is the final stage of breast milk.