Which hormonal deficiency causes breast atrophy in female clients?

Breast atrophy in females is caused by a significant decrease in the estrogen levels. Breast atrophy is the term describing a sudden shrinkage of the female breasts. Estrogen is the most important hormone of the female reproductive system. It is involved in the development and regulation of the female reproductive system and secondary sex characteristics.

The hormonal deficiency which causes breast atrophy in women occurs during the normal process of menopause, a developmental stage later in life during which women experience decreased levels of estrogen. This estrogen-based type of reduction is a typical and expected outcome of menopause.