Breast Development - Breast growth stages Like 64.66% | 115 votes Views: 634 273 Download One: In preadolescence, the. Two: Buds appear. Categories: Black ebony Comments: Add Comment Cancel By Kizshura - 22:22 Jiuvhreuihuihzioew.info › health › conditions-and-diseases › nor. By Shaktisar - 20:43 Breast development happens in certain stages during a woman's life: first before birth, and again at puberty and later during the childbearing years. Changes. By Mir - 11:13 Breasts develop in stages of a woman's life — the time prior to birth, Birth stage: Breast development begins while a female baby is still. By Zulukree - 05:05 Breast development, or the growth of a girl's breasts, is often the first sign of is slight swelling under the nipple, a stage of development called breast buds. By Faushura - 02:57 The first stage of breast development begins at about six weeks of fetal development with a thickening called the mammary ridge or the milk line. By six months.