īody fat percentage recommendations are higher for females, as this fat may serve as an energy reserve for pregnancy. When women reach menopause and the estrogen produced by ovaries declines, fat migrates from their buttocks, hips and thighs to their waists later fat is stored at the abdomen. Body fat distribution may change from time to time, depending on food habits, activity levels and hormone levels. The hormones produced by the thyroid gland regulate the rate of metabolism, controlling how quickly the body uses energy, and controls how sensitive the body should be to other hormones. They also affect body fat distribution, causing fat to be stored in the buttocks, thighs, and hips in women, but generally not around their waists, which will remain about the same size as they were before puberty. Įstrogens cause higher levels of fat to be stored in a female body than in a male body. Fat distribution Įstrogen causes fat to be stored on a young woman's buttocks, hips and thighs, but not her waist.Įstrogens can also affect the female body shape in a number of other ways, including increasing fat stores, accelerating metabolism, reducing muscle mass, and increasing bone formation. īreasts can decrease in size at menopause if estrogen levels decline. Breasts generally revert to approximately their previous size after pregnancy, although there may be some increased sagging. 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. 8 Social perceptions of the ideal woman's body.2.2.1 Inverted triangle-rectangular categories.
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