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Estrogen levels vary among individuals and according to a persons age and sex. Sex hormones, such as estrogen, influence the amount of fat in the body. If your estrogen levels are low, it can result in weight gain. High estrogen can occur naturally or may happen because of other factors. Increased estrogen levels can have significant effects in both genders. Estrogen levels rise during a healthy pregnancy, and increased estrogen levels may be seen with tumors of the ovaries,. The two main female sex hormones are estrogen and progesterone. Although testosterone is considered a male hormone, females also produce and use a small amount. Lowered estrogen levels before, during and after menopause can have many unpleasant effects. Menopausal women often experience hot flashes, vaginal dryness, tender breasts, sleep problems, anxiety, mood swings, painful sex and low libido. Both high and low estrogen levels can cause some long-term complications or indicate that theres an underlying condition that should be treated.   after a 100 nm estrogen treatment of the mcf-7 cell line, the expression of linc00263 was significantly reduced (fig. 6c), 29 suggesting that linc00263 had lower transcription levels in female. Sexual motivation is influenced by hormones such as testosterone, estrogen, progesterone, oxytocin, and vasopressin. In most mammalian species, sex hormones control the ability to engage in sexual behaviors. However, sex hormones do not directly regulate the ability to copulate in primates (including humans). Rather, sex hormones in primates are only one influence on the motivation to engage in. It is well known that estrogen levels vary based on the month (4) (estradiol goes up and down based on the female menstrual cycle) and based on your age (5) (menopause results in very low estradiol levels). This variation needs to be taken into account when testing estrogen.

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