![]() These changes may continue during breastfeeding. The size of the nipples may increase noticeably. A number of other changes typically occur during pregnancy, including enlargement and increased firmness of the breasts, mainly due to hypertrophy of the mammary gland in response to the hormone prolactin. Įstrogen levels also rise significantly during pregnancy. Working against estrogen, the presence of testosterone in a pubescent female inhibits breast development and promotes muscle and facial hair development. As a result of estrogens, during puberty, girls develop breasts and their hips widen. Besides other functions, estrogens promote the development of female secondary sexual characteristics, such as breasts and hips. They are produced in both men and women, but their levels are significantly higher in women, especially in those of reproductive age. Physiology Impact of estrogens Įstrogens, which are primary female sex hormones, have a significant impact on a female's body shape. Cultural ideals, however, have developed and continue to exert influence over how a woman relates to her own body, as well as how others in her society may perceive and treat her. Reflecting the wide range of individual beliefs on what is best for physical health and what is preferred aesthetically, as well as disagreements on the social standing and purported "purpose" of women in society, there is no universally acknowledged ideal female body shape. ![]() The bust, waist, and hips are called inflection points, and the ratios of their circumferences are used to define basic body shapes. ![]() Female body shape or female figure is the cumulative product of a woman's bone structure along with the distribution of muscle and fat on the body.įemale figures are typically narrower at the waist than at the bust and hips.
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