Because breasts contain significant fatty tissue, gaining or losing even 5–10 pounds can noticeably alter cup size. Medications: Hormonal birth control
Breast development in preteen and teenage girls | Texas Children's time lapse breast growth
The very first sign of breast development, often termed the (or Tanner Stage 2), starts with the formation of small, often tender lumps underneath the nipples. Because breasts contain significant fatty tissue, gaining or
Further growth of the breast and areola, with the breast taking on a more rounded shape. Breast development, or mammogenesis, is not a single
Breast development, or mammogenesis, is not a single event but a multi-stage process that spans decades. The foundation is laid long before birth. During embryonic development, a "mammary streak" or milk line forms in the fetus. By the time a baby is born, rudimentary milk ducts have already developed.
The most significant concern is consent and privacy. While you might choose to share your time-lapse, who else has access to this data? A poignant case study involves transgender individuals who posted their hormone replacement therapy (HRT) transition montages on YouTube to help others. Years later, a researcher scraped these publicly available videos to create a dataset for a facial recognition study without obtaining the subjects' consent. One individual in the dataset said, "This feels like a violation of privacy". This highlights the ethical chasm between data being technically public and the human expectation of its use.