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Due to natural variation, individuals pass through the Tanner stages at different rates, depending in particular on the timing of puberty.Among researchers who study puberty, the Tanner scale is commonly considered the "gold standard" for assessing pubertal status when it is conducted by a trained medical examiner. [5]
Breast development, also known as mammogenesis, is a complex biological process in primates that takes place throughout a female's life. It occurs across several phases, including prenatal development, puberty, and pregnancy. At menopause, breast development ceases and the breasts atrophy.
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Thelarche, also known as breast budding, is the onset of secondary breast development, often representing the beginning of pubertal development. [1] It is the stage at which male and female breasts differentiate due to variance in hormone levels; however, some males have a condition in which they develop breasts, termed gynecomastia .
For pubescent girls in thelarche (the breast-development stage), the female sex hormones (principally estrogens) in conjunction with growth hormone promote the sprouting, growth, and development of the breasts. During this time, the mammary glands grow in size and volume and begin resting on the chest. These development stages of secondary sex ...
The average life expectancy for women is 80.2 years, per the CDC, which means women spend about a third of their life in this post-menopausal phase. So, while women live longer, on average, than ...
Premature thelarche is breast hypertrophy before puberty. This form of hypertrophy is an increase in breast tissue. PT occurs in pre-pubescent females, under the age of 8, having a peak occurrence in the first two years of life. [4] The breast development is usually bi-lateral: both breasts show development.
Breast development is commonly asymmetric and one or both breasts may be small. This condition may be a congenital defect associated with underlying abnormalities of the pectoral muscle (as in Poland's syndrome [ 2 ] ), related to trauma (typically surgery or radiotherapy ) or it may be a more subjective aesthetic description.