It is recommended to get acquainted with the theory of metaphors in order to be able to write metaphor essay in a competent way with the deep understanding of the purpose of metaphor essays writing.
Estradiol is the type of estrogen that is normally measured with testing, and a normal range is 30-400 pg/mL for premenopausal women (depending on where you are in your menstrual cycle) and 0-30 pg/mL for postmenopausal women. Levels lower than 20 pg/mL may cause hormonal symptoms such as hot flashes.
Overview. 1  Estrogen is a hormone that is produced by a woman's ovaries. Throughout your life, your estrogen levels will rise and fall. 2  When a girl enters into puberty, normally between the ages of 11 and 14 years old, her estrogen levels begin to rise in order to manage her reproductive system.