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Specialty. Medical genetics. Micromastia (also called hypomastia, breast aplasia, breast hypoplasia, or mammary hypoplasia) is a medical term describing the postpubertal underdevelopment of a woman's breast tissue. [1] Just as it is impossible to define 'normal' breast size, there is no objective definition of micromastia.
Ptosis or sagging of the female breast is a natural consequence of aging.The rate at which a woman's breasts drop and the degree of ptosis depends on many factors. The key factors influencing breast ptosis over a woman's lifetime are cigarette smoking, her number of pregnancies, higher body mass index, larger bra cup size, and significant weight change.
The indication is an excess breast weight that exceeds approximately 3% of the total body weight. [3] There are varying definitions of what is considered to be excessive breast tissue, that is the expected breast tissue plus extraordinary breast tissue, ranging from as little as 0.6 kilograms (1.3 lb) up to 2.5 kilograms (5.5 lb) with most physicians defining macromastia as excessive tissue of ...
More obvious and persistent asymmetry in breast size occurs in up to 25% of women. [32] While it is a common belief that breastfeeding causes breasts to sag, [33] researchers have found that a woman's breasts sag due to four key factors: cigarette smoking, number of pregnancies, gravity, and weight loss or gain. [34]
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. Breast development results in prominent and developed ...
Thelarche. 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 ...
Breast atrophy is the normal or spontaneous atrophy or shrinkage of the breasts. [1]Breast atrophy commonly occurs in women during menopause when estrogen levels decrease. [2] [3] [4] It can also be caused by hypoestrogenism and/or hyperandrogenism in women in general, [1] such as in antiestrogen treatment for breast cancer, in polycystic ovary syndrome (PCOS), [5] [6] and in malnutrition such ...
Gynecomastia. Gynecomastia (also spelled gynaecomastia) [ a ] is the abnormal non-cancerous enlargement of one or both breasts in males due to the growth of breast tissue as a result of a hormone imbalance between estrogens and androgens. [ 4 ][ 5 ] Gynecomastia can cause significant psychological distress or unease.